Home / 1,954,781.12-2,695,998.38-1,375,920.49

Finding the Fourth Proportional to 1,954,781.12, 2,695,998.38 and 1,375,920.49

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Solution

The fourth proportional to 1,954,781.12, 2,695,998.38 and 1,375,920.49 is: 1,897,644.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,781.12 : 2,695,998.38 = 1,375,920.49 : x
  2. Step 2: Convert to fraction form
    1,954,781.12/2,695,998.38 = 1,375,920.49/x
  3. Step 3: Cross multiply
    1,954,781.12x = 2,695,998.38 × 1,375,920.49
  4. Step 4: Simplify right side
    1,954,781.12x = 3,709,479,411,223.76
  5. Step 5: Solve for x
    x = 3,709,479,411,223.76/1,954,781.12
  6. Step 6: Final answer
    x = 1,897,644.39

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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.