Home / 4,139,633.28-5,712,748.02-2,279,265.15

Finding the Fourth Proportional to 4,139,633.28, 5,712,748.02 and 2,279,265.15

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Solution

The fourth proportional to 4,139,633.28, 5,712,748.02 and 2,279,265.15 is: 3,145,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,633.28 : 5,712,748.02 = 2,279,265.15 : x
  2. Step 2: Convert to fraction form
    4,139,633.28/5,712,748.02 = 2,279,265.15/x
  3. Step 3: Cross multiply
    4,139,633.28x = 5,712,748.02 × 2,279,265.15
  4. Step 4: Simplify right side
    4,139,633.28x = 13,020,867,472,717.50
  5. Step 5: Solve for x
    x = 13,020,867,472,717.50/4,139,633.28
  6. Step 6: Final answer
    x = 3,145,415.69

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Double scale
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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.