Home / 3,442,380.89-4,750,390.08-1,872,460.76

Finding the Fourth Proportional to 3,442,380.89, 4,750,390.08 and 1,872,460.76

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Solution

The fourth proportional to 3,442,380.89, 4,750,390.08 and 1,872,460.76 is: 2,583,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442,380.89 : 4,750,390.08 = 1,872,460.76 : x
  2. Step 2: Convert to fraction form
    3,442,380.89/4,750,390.08 = 1,872,460.76/x
  3. Step 3: Cross multiply
    3,442,380.89x = 4,750,390.08 × 1,872,460.76
  4. Step 4: Simplify right side
    3,442,380.89x = 8,894,919,019,493.26
  5. Step 5: Solve for x
    x = 8,894,919,019,493.26/3,442,380.89
  6. Step 6: Final answer
    x = 2,583,943.88

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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.