Home / 5,381,139.47-8,067,446.61-2,684,076.40

Finding the Fourth Proportional to 5,381,139.47, 8,067,446.61 and 2,684,076.40

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Solution

The fourth proportional to 5,381,139.47, 8,067,446.61 and 2,684,076.40 is: 4,023,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,139.47 : 8,067,446.61 = 2,684,076.40 : x
  2. Step 2: Convert to fraction form
    5,381,139.47/8,067,446.61 = 2,684,076.40/x
  3. Step 3: Cross multiply
    5,381,139.47x = 8,067,446.61 × 2,684,076.40
  4. Step 4: Simplify right side
    5,381,139.47x = 21,653,643,008,800.64
  5. Step 5: Solve for x
    x = 21,653,643,008,800.64/5,381,139.47
  6. Step 6: Final answer
    x = 4,023,988.44

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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.