Home / 3,931,288.17-5,424,280.11-2,211,781.29

Finding the Fourth Proportional to 3,931,288.17, 5,424,280.11 and 2,211,781.29

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Solution

The fourth proportional to 3,931,288.17, 5,424,280.11 and 2,211,781.29 is: 3,051,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,288.17 : 5,424,280.11 = 2,211,781.29 : x
  2. Step 2: Convert to fraction form
    3,931,288.17/5,424,280.11 = 2,211,781.29/x
  3. Step 3: Cross multiply
    3,931,288.17x = 5,424,280.11 × 2,211,781.29
  4. Step 4: Simplify right side
    3,931,288.17x = 11,997,321,259,017.14
  5. Step 5: Solve for x
    x = 11,997,321,259,017.14/3,931,288.17
  6. Step 6: Final answer
    x = 3,051,753.20

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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.