Home / 3,158,600.97-4,359,068.64-1,781,442.21

Finding the Fourth Proportional to 3,158,600.97, 4,359,068.64 and 1,781,442.21

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Solution

The fourth proportional to 3,158,600.97, 4,359,068.64 and 1,781,442.21 is: 2,458,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,600.97 : 4,359,068.64 = 1,781,442.21 : x
  2. Step 2: Convert to fraction form
    3,158,600.97/4,359,068.64 = 1,781,442.21/x
  3. Step 3: Cross multiply
    3,158,600.97x = 4,359,068.64 × 1,781,442.21
  4. Step 4: Simplify right side
    3,158,600.97x = 7,765,428,846,139.85
  5. Step 5: Solve for x
    x = 7,765,428,846,139.85/3,158,600.97
  6. Step 6: Final answer
    x = 2,458,502.65

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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.