Home / 2,155,689.60-3,228,868.80-1,157,251.20

Finding the Fourth Proportional to 2,155,689.60, 3,228,868.80 and 1,157,251.20

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Solution

The fourth proportional to 2,155,689.60, 3,228,868.80 and 1,157,251.20 is: 1,733,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,689.60 : 3,228,868.80 = 1,157,251.20 : x
  2. Step 2: Convert to fraction form
    2,155,689.60/3,228,868.80 = 1,157,251.20/x
  3. Step 3: Cross multiply
    2,155,689.60x = 3,228,868.80 × 1,157,251.20
  4. Step 4: Simplify right side
    2,155,689.60x = 3,736,612,293,442.56
  5. Step 5: Solve for x
    x = 3,736,612,293,442.56/2,155,689.60
  6. Step 6: Final answer
    x = 1,733,372.14

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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.