Home / 6,321,274.56-8,724,728.16-3,996,691.20

Finding the Fourth Proportional to 6,321,274.56, 8,724,728.16 and 3,996,691.20

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Solution

The fourth proportional to 6,321,274.56, 8,724,728.16 and 3,996,691.20 is: 5,516,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,274.56 : 8,724,728.16 = 3,996,691.20 : x
  2. Step 2: Convert to fraction form
    6,321,274.56/8,724,728.16 = 3,996,691.20/x
  3. Step 3: Cross multiply
    6,321,274.56x = 8,724,728.16 × 3,996,691.20
  4. Step 4: Simplify right side
    6,321,274.56x = 34,870,044,259,464.20
  5. Step 5: Solve for x
    x = 34,870,044,259,464.20/6,321,274.56
  6. Step 6: Final answer
    x = 5,516,299.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.