Home / 3,138,410.80-4,707,616.20-894,257.20

Finding the Fourth Proportional to 3,138,410.80, 4,707,616.20 and 894,257.20

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Solution

The fourth proportional to 3,138,410.80, 4,707,616.20 and 894,257.20 is: 1,341,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,410.80 : 4,707,616.20 = 894,257.20 : x
  2. Step 2: Convert to fraction form
    3,138,410.80/4,707,616.20 = 894,257.20/x
  3. Step 3: Cross multiply
    3,138,410.80x = 4,707,616.20 × 894,257.20
  4. Step 4: Simplify right side
    3,138,410.80x = 4,209,819,681,686.64
  5. Step 5: Solve for x
    x = 4,209,819,681,686.64/3,138,410.80
  6. Step 6: Final answer
    x = 1,341,385.80

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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.