Home / 3,867,928.20-5,337,884.96-2,319,442

Finding the Fourth Proportional to 3,867,928.20, 5,337,884.96 and 2,319,442

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Solution

The fourth proportional to 3,867,928.20, 5,337,884.96 and 2,319,442 is: 3,200,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,928.20 : 5,337,884.96 = 2,319,442 : x
  2. Step 2: Convert to fraction form
    3,867,928.20/5,337,884.96 = 2,319,442/x
  3. Step 3: Cross multiply
    3,867,928.20x = 5,337,884.96 × 2,319,442
  4. Step 4: Simplify right side
    3,867,928.20x = 12,380,914,567,392.32
  5. Step 5: Solve for x
    x = 12,380,914,567,392.32/3,867,928.20
  6. Step 6: Final answer
    x = 3,200,916.34

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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.