Home / 5,381,140.47-8,067,448.11-2,684,077.40

Finding the Fourth Proportional to 5,381,140.47, 8,067,448.11 and 2,684,077.40

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Solution

The fourth proportional to 5,381,140.47, 8,067,448.11 and 2,684,077.40 is: 4,023,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,140.47 : 8,067,448.11 = 2,684,077.40 : x
  2. Step 2: Convert to fraction form
    5,381,140.47/8,067,448.11 = 2,684,077.40/x
  3. Step 3: Cross multiply
    5,381,140.47x = 8,067,448.11 × 2,684,077.40
  4. Step 4: Simplify right side
    5,381,140.47x = 21,653,655,147,723.71
  5. Step 5: Solve for x
    x = 21,653,655,147,723.71/5,381,140.47
  6. Step 6: Final answer
    x = 4,023,989.95

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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.