Home / 3,135,615.80-4,703,423.70-891,462.20

Finding the Fourth Proportional to 3,135,615.80, 4,703,423.70 and 891,462.20

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Solution

The fourth proportional to 3,135,615.80, 4,703,423.70 and 891,462.20 is: 1,337,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,615.80 : 4,703,423.70 = 891,462.20 : x
  2. Step 2: Convert to fraction form
    3,135,615.80/4,703,423.70 = 891,462.20/x
  3. Step 3: Cross multiply
    3,135,615.80x = 4,703,423.70 × 891,462.20
  4. Step 4: Simplify right side
    3,135,615.80x = 4,192,924,439,134.14
  5. Step 5: Solve for x
    x = 4,192,924,439,134.14/3,135,615.80
  6. Step 6: Final answer
    x = 1,337,193.30

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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.