Home / 6,246,046.40-9,369,069.60-1,986,645.20

Finding the Fourth Proportional to 6,246,046.40, 9,369,069.60 and 1,986,645.20

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Solution

The fourth proportional to 6,246,046.40, 9,369,069.60 and 1,986,645.20 is: 2,979,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246,046.40 : 9,369,069.60 = 1,986,645.20 : x
  2. Step 2: Convert to fraction form
    6,246,046.40/9,369,069.60 = 1,986,645.20/x
  3. Step 3: Cross multiply
    6,246,046.40x = 9,369,069.60 × 1,986,645.20
  4. Step 4: Simplify right side
    6,246,046.40x = 18,613,017,149,305.92
  5. Step 5: Solve for x
    x = 18,613,017,149,305.92/6,246,046.40
  6. Step 6: Final answer
    x = 2,979,967.80

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Similar ratio
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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.