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Finding the Fourth Proportional to 6,490,404.25, 9,733,535.90 and 2,229,545.05

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Solution

The fourth proportional to 6,490,404.25, 9,733,535.90 and 2,229,545.05 is: 3,343,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490,404.25 : 9,733,535.90 = 2,229,545.05 : x
  2. Step 2: Convert to fraction form
    6,490,404.25/9,733,535.90 = 2,229,545.05/x
  3. Step 3: Cross multiply
    6,490,404.25x = 9,733,535.90 × 2,229,545.05
  4. Step 4: Simplify right side
    6,490,404.25x = 21,701,356,773,694.57
  5. Step 5: Solve for x
    x = 21,701,356,773,694.57/6,490,404.25
  6. Step 6: Final answer
    x = 3,343,606.34

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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.