Home / 1,755,143.40-2,632,715.10-1,489,422.90

Finding the Fourth Proportional to 1,755,143.40, 2,632,715.10 and 1,489,422.90

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Solution

The fourth proportional to 1,755,143.40, 2,632,715.10 and 1,489,422.90 is: 2,234,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,143.40 : 2,632,715.10 = 1,489,422.90 : x
  2. Step 2: Convert to fraction form
    1,755,143.40/2,632,715.10 = 1,489,422.90/x
  3. Step 3: Cross multiply
    1,755,143.40x = 2,632,715.10 × 1,489,422.90
  4. Step 4: Simplify right side
    1,755,143.40x = 3,921,226,159,115.79
  5. Step 5: Solve for x
    x = 3,921,226,159,115.79/1,755,143.40
  6. Step 6: Final answer
    x = 2,234,134.35

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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.