Home / 2,160,402.96-2,981,264.76-1,242,562.80

Finding the Fourth Proportional to 2,160,402.96, 2,981,264.76 and 1,242,562.80

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Solution

The fourth proportional to 2,160,402.96, 2,981,264.76 and 1,242,562.80 is: 1,714,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,402.96 : 2,981,264.76 = 1,242,562.80 : x
  2. Step 2: Convert to fraction form
    2,160,402.96/2,981,264.76 = 1,242,562.80/x
  3. Step 3: Cross multiply
    2,160,402.96x = 2,981,264.76 × 1,242,562.80
  4. Step 4: Simplify right side
    2,160,402.96x = 3,704,408,687,726.93
  5. Step 5: Solve for x
    x = 3,704,408,687,726.93/2,160,402.96
  6. Step 6: Final answer
    x = 1,714,684.14

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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.