Home / 4,155,989.20-6,237,920.40-2,561,666.20

Finding the Fourth Proportional to 4,155,989.20, 6,237,920.40 and 2,561,666.20

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Solution

The fourth proportional to 4,155,989.20, 6,237,920.40 and 2,561,666.20 is: 3,844,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155,989.20 : 6,237,920.40 = 2,561,666.20 : x
  2. Step 2: Convert to fraction form
    4,155,989.20/6,237,920.40 = 2,561,666.20/x
  3. Step 3: Cross multiply
    4,155,989.20x = 6,237,920.40 × 2,561,666.20
  4. Step 4: Simplify right side
    4,155,989.20x = 15,979,469,846,970.48
  5. Step 5: Solve for x
    x = 15,979,469,846,970.48/4,155,989.20
  6. Step 6: Final answer
    x = 3,844,925.74

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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.