Home / 3,442,378.89-4,750,387.32-1,872,458.76

Finding the Fourth Proportional to 3,442,378.89, 4,750,387.32 and 1,872,458.76

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Solution

The fourth proportional to 3,442,378.89, 4,750,387.32 and 1,872,458.76 is: 2,583,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442,378.89 : 4,750,387.32 = 1,872,458.76 : x
  2. Step 2: Convert to fraction form
    3,442,378.89/4,750,387.32 = 1,872,458.76/x
  3. Step 3: Cross multiply
    3,442,378.89x = 4,750,387.32 × 1,872,458.76
  4. Step 4: Simplify right side
    3,442,378.89x = 8,894,904,350,726.92
  5. Step 5: Solve for x
    x = 8,894,904,350,726.92/3,442,378.89
  6. Step 6: Final answer
    x = 2,583,941.12

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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.