Home / 1,981,434.12-2,735,216.08-1,337,726.20

Finding the Fourth Proportional to 1,981,434.12, 2,735,216.08 and 1,337,726.20

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Solution

The fourth proportional to 1,981,434.12, 2,735,216.08 and 1,337,726.20 is: 1,846,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,434.12 : 2,735,216.08 = 1,337,726.20 : x
  2. Step 2: Convert to fraction form
    1,981,434.12/2,735,216.08 = 1,337,726.20/x
  3. Step 3: Cross multiply
    1,981,434.12x = 2,735,216.08 × 1,337,726.20
  4. Step 4: Simplify right side
    1,981,434.12x = 3,658,970,212,877.30
  5. Step 5: Solve for x
    x = 3,658,970,212,877.30/1,981,434.12
  6. Step 6: Final answer
    x = 1,846,627.24

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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.