Home / 2,154,031.12-3,231,628.44-658,082.32

Finding the Fourth Proportional to 2,154,031.12, 3,231,628.44 and 658,082.32

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Solution

The fourth proportional to 2,154,031.12, 3,231,628.44 and 658,082.32 is: 987,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,031.12 : 3,231,628.44 = 658,082.32 : x
  2. Step 2: Convert to fraction form
    2,154,031.12/3,231,628.44 = 658,082.32/x
  3. Step 3: Cross multiply
    2,154,031.12x = 3,231,628.44 × 658,082.32
  4. Step 4: Simplify right side
    2,154,031.12x = 2,126,677,541,173.18
  5. Step 5: Solve for x
    x = 2,126,677,541,173.18/2,154,031.12
  6. Step 6: Final answer
    x = 987,301.21

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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.