Home / 2,877,028.68-3,970,280-1,587,869.04

Finding the Fourth Proportional to 2,877,028.68, 3,970,280 and 1,587,869.04

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Solution

The fourth proportional to 2,877,028.68, 3,970,280 and 1,587,869.04 is: 2,191,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,028.68 : 3,970,280 = 1,587,869.04 : x
  2. Step 2: Convert to fraction form
    2,877,028.68/3,970,280 = 1,587,869.04/x
  3. Step 3: Cross multiply
    2,877,028.68x = 3,970,280 × 1,587,869.04
  4. Step 4: Simplify right side
    2,877,028.68x = 6,304,284,692,131.20
  5. Step 5: Solve for x
    x = 6,304,284,692,131.20/2,877,028.68
  6. Step 6: Final answer
    x = 2,191,248.47

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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.