Home / 2,877,028.50-3,970,279.76-1,587,868.86

Finding the Fourth Proportional to 2,877,028.50, 3,970,279.76 and 1,587,868.86

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Solution

The fourth proportional to 2,877,028.50, 3,970,279.76 and 1,587,868.86 is: 2,191,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,028.50 : 3,970,279.76 = 1,587,868.86 : x
  2. Step 2: Convert to fraction form
    2,877,028.50/3,970,279.76 = 1,587,868.86/x
  3. Step 3: Cross multiply
    2,877,028.50x = 3,970,279.76 × 1,587,868.86
  4. Step 4: Simplify right side
    2,877,028.50x = 6,304,283,596,392.27
  5. Step 5: Solve for x
    x = 6,304,283,596,392.27/2,877,028.50
  6. Step 6: Final answer
    x = 2,191,248.23

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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.