Home / 2,187,332.30-3,280,998.45-1,431,505.10

Finding the Fourth Proportional to 2,187,332.30, 3,280,998.45 and 1,431,505.10

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Solution

The fourth proportional to 2,187,332.30, 3,280,998.45 and 1,431,505.10 is: 2,147,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,332.30 : 3,280,998.45 = 1,431,505.10 : x
  2. Step 2: Convert to fraction form
    2,187,332.30/3,280,998.45 = 1,431,505.10/x
  3. Step 3: Cross multiply
    2,187,332.30x = 3,280,998.45 × 1,431,505.10
  4. Step 4: Simplify right side
    2,187,332.30x = 4,696,766,014,267.10
  5. Step 5: Solve for x
    x = 4,696,766,014,267.10/2,187,332.30
  6. Step 6: Final answer
    x = 2,147,257.65

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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.