Home / 2,520,235.20-3,781,085.04-814,342.80

Finding the Fourth Proportional to 2,520,235.20, 3,781,085.04 and 814,342.80

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Solution

The fourth proportional to 2,520,235.20, 3,781,085.04 and 814,342.80 is: 1,221,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,235.20 : 3,781,085.04 = 814,342.80 : x
  2. Step 2: Convert to fraction form
    2,520,235.20/3,781,085.04 = 814,342.80/x
  3. Step 3: Cross multiply
    2,520,235.20x = 3,781,085.04 × 814,342.80
  4. Step 4: Simplify right side
    2,520,235.20x = 3,079,099,378,511.71
  5. Step 5: Solve for x
    x = 3,079,099,378,511.71/2,520,235.20
  6. Step 6: Final answer
    x = 1,221,750.80

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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.