Home / 2,877,029.50-3,970,281.14-1,587,869.86

Finding the Fourth Proportional to 2,877,029.50, 3,970,281.14 and 1,587,869.86

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Solution

The fourth proportional to 2,877,029.50, 3,970,281.14 and 1,587,869.86 is: 2,191,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,029.50 : 3,970,281.14 = 1,587,869.86 : x
  2. Step 2: Convert to fraction form
    2,877,029.50/3,970,281.14 = 1,587,869.86/x
  3. Step 3: Cross multiply
    2,877,029.50x = 3,970,281.14 × 1,587,869.86
  4. Step 4: Simplify right side
    2,877,029.50x = 6,304,289,757,932.44
  5. Step 5: Solve for x
    x = 6,304,289,757,932.44/2,877,029.50
  6. Step 6: Final answer
    x = 2,191,249.61

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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.