Home / 6,419,401.80-9,629,102.70-4,151,920.20

Finding the Fourth Proportional to 6,419,401.80, 9,629,102.70 and 4,151,920.20

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Solution

The fourth proportional to 6,419,401.80, 9,629,102.70 and 4,151,920.20 is: 6,227,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,401.80 : 9,629,102.70 = 4,151,920.20 : x
  2. Step 2: Convert to fraction form
    6,419,401.80/9,629,102.70 = 4,151,920.20/x
  3. Step 3: Cross multiply
    6,419,401.80x = 9,629,102.70 × 4,151,920.20
  4. Step 4: Simplify right side
    6,419,401.80x = 39,979,266,008,004.54
  5. Step 5: Solve for x
    x = 39,979,266,008,004.54/6,419,401.80
  6. Step 6: Final answer
    x = 6,227,880.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.