Home / 3,105,178.80-4,657,768.20-975,478.20

Finding the Fourth Proportional to 3,105,178.80, 4,657,768.20 and 975,478.20

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Solution

The fourth proportional to 3,105,178.80, 4,657,768.20 and 975,478.20 is: 1,463,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,178.80 : 4,657,768.20 = 975,478.20 : x
  2. Step 2: Convert to fraction form
    3,105,178.80/4,657,768.20 = 975,478.20/x
  3. Step 3: Cross multiply
    3,105,178.80x = 4,657,768.20 × 975,478.20
  4. Step 4: Simplify right side
    3,105,178.80x = 4,543,551,339,753.24
  5. Step 5: Solve for x
    x = 4,543,551,339,753.24/3,105,178.80
  6. Step 6: Final answer
    x = 1,463,217.30

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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.