Home / 3,423,952.80-5,135,540.40-899,863.20

Finding the Fourth Proportional to 3,423,952.80, 5,135,540.40 and 899,863.20

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Solution

The fourth proportional to 3,423,952.80, 5,135,540.40 and 899,863.20 is: 1,349,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423,952.80 : 5,135,540.40 = 899,863.20 : x
  2. Step 2: Convert to fraction form
    3,423,952.80/5,135,540.40 = 899,863.20/x
  3. Step 3: Cross multiply
    3,423,952.80x = 5,135,540.40 × 899,863.20
  4. Step 4: Simplify right side
    3,423,952.80x = 4,621,283,818,073.28
  5. Step 5: Solve for x
    x = 4,621,283,818,073.28/3,423,952.80
  6. Step 6: Final answer
    x = 1,349,692.62

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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.