Home / 2,488,374.47-3,726,582.98-1,420,178.06

Finding the Fourth Proportional to 2,488,374.47, 3,726,582.98 and 1,420,178.06

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Solution

The fourth proportional to 2,488,374.47, 3,726,582.98 and 1,420,178.06 is: 2,126,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,374.47 : 3,726,582.98 = 1,420,178.06 : x
  2. Step 2: Convert to fraction form
    2,488,374.47/3,726,582.98 = 1,420,178.06/x
  3. Step 3: Cross multiply
    2,488,374.47x = 3,726,582.98 × 1,420,178.06
  4. Step 4: Simplify right side
    2,488,374.47x = 5,292,411,361,231.61
  5. Step 5: Solve for x
    x = 5,292,411,361,231.61/2,488,374.47
  6. Step 6: Final answer
    x = 2,126,854.87

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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.