Home / 6,221,764.29-8,581,167.32-4,047,001.90

Finding the Fourth Proportional to 6,221,764.29, 8,581,167.32 and 4,047,001.90

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Solution

The fourth proportional to 6,221,764.29, 8,581,167.32 and 4,047,001.90 is: 5,581,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221,764.29 : 8,581,167.32 = 4,047,001.90 : x
  2. Step 2: Convert to fraction form
    6,221,764.29/8,581,167.32 = 4,047,001.90/x
  3. Step 3: Cross multiply
    6,221,764.29x = 8,581,167.32 × 4,047,001.90
  4. Step 4: Simplify right side
    6,221,764.29x = 34,728,000,428,022.89
  5. Step 5: Solve for x
    x = 34,728,000,428,022.89/6,221,764.29
  6. Step 6: Final answer
    x = 5,581,696.58

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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.