Home / 2,521,085.20-3,781,973.40-838,013.20

Finding the Fourth Proportional to 2,521,085.20, 3,781,973.40 and 838,013.20

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Solution

The fourth proportional to 2,521,085.20, 3,781,973.40 and 838,013.20 is: 1,257,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521,085.20 : 3,781,973.40 = 838,013.20 : x
  2. Step 2: Convert to fraction form
    2,521,085.20/3,781,973.40 = 838,013.20/x
  3. Step 3: Cross multiply
    2,521,085.20x = 3,781,973.40 × 838,013.20
  4. Step 4: Simplify right side
    2,521,085.20x = 3,169,343,631,248.88
  5. Step 5: Solve for x
    x = 3,169,343,631,248.88/2,521,085.20
  6. Step 6: Final answer
    x = 1,257,134.68

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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.