Home / 3,134,436.30-4,711,676.85-2,912,561.10

Finding the Fourth Proportional to 3,134,436.30, 4,711,676.85 and 2,912,561.10

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Solution

The fourth proportional to 3,134,436.30, 4,711,676.85 and 2,912,561.10 is: 4,378,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,436.30 : 4,711,676.85 = 2,912,561.10 : x
  2. Step 2: Convert to fraction form
    3,134,436.30/4,711,676.85 = 2,912,561.10/x
  3. Step 3: Cross multiply
    3,134,436.30x = 4,711,676.85 × 2,912,561.10
  4. Step 4: Simplify right side
    3,134,436.30x = 13,723,046,709,080.54
  5. Step 5: Solve for x
    x = 13,723,046,709,080.54/3,134,436.30
  6. Step 6: Final answer
    x = 4,378,154.60

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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.