Home / 4,912,305.40-7,368,458.10-4,132,858.60

Finding the Fourth Proportional to 4,912,305.40, 7,368,458.10 and 4,132,858.60

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Solution

The fourth proportional to 4,912,305.40, 7,368,458.10 and 4,132,858.60 is: 6,199,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912,305.40 : 7,368,458.10 = 4,132,858.60 : x
  2. Step 2: Convert to fraction form
    4,912,305.40/7,368,458.10 = 4,132,858.60/x
  3. Step 3: Cross multiply
    4,912,305.40x = 7,368,458.10 × 4,132,858.60
  4. Step 4: Simplify right side
    4,912,305.40x = 30,452,795,427,324.66
  5. Step 5: Solve for x
    x = 30,452,795,427,324.66/4,912,305.40
  6. Step 6: Final answer
    x = 6,199,287.90

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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.