Home / 2,930,159.76-4,387,365-1,859,404.56

Finding the Fourth Proportional to 2,930,159.76, 4,387,365 and 1,859,404.56

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Solution

The fourth proportional to 2,930,159.76, 4,387,365 and 1,859,404.56 is: 2,784,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,159.76 : 4,387,365 = 1,859,404.56 : x
  2. Step 2: Convert to fraction form
    2,930,159.76/4,387,365 = 1,859,404.56/x
  3. Step 3: Cross multiply
    2,930,159.76x = 4,387,365 × 1,859,404.56
  4. Step 4: Simplify right side
    2,930,159.76x = 8,157,886,487,384.40
  5. Step 5: Solve for x
    x = 8,157,886,487,384.40/2,930,159.76
  6. Step 6: Final answer
    x = 2,784,109.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.