Home / 2,146,331.40-3,218,330.70-725,656.20

Finding the Fourth Proportional to 2,146,331.40, 3,218,330.70 and 725,656.20

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Solution

The fourth proportional to 2,146,331.40, 3,218,330.70 and 725,656.20 is: 1,088,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,331.40 : 3,218,330.70 = 725,656.20 : x
  2. Step 2: Convert to fraction form
    2,146,331.40/3,218,330.70 = 725,656.20/x
  3. Step 3: Cross multiply
    2,146,331.40x = 3,218,330.70 × 725,656.20
  4. Step 4: Simplify right side
    2,146,331.40x = 2,335,401,626,105.34
  5. Step 5: Solve for x
    x = 2,335,401,626,105.34/2,146,331.40
  6. Step 6: Final answer
    x = 1,088,089.95

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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.