Home / 2,141,029.28-3,211,549.32-722,082.08

Finding the Fourth Proportional to 2,141,029.28, 3,211,549.32 and 722,082.08

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Solution

The fourth proportional to 2,141,029.28, 3,211,549.32 and 722,082.08 is: 1,083,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,029.28 : 3,211,549.32 = 722,082.08 : x
  2. Step 2: Convert to fraction form
    2,141,029.28/3,211,549.32 = 722,082.08/x
  3. Step 3: Cross multiply
    2,141,029.28x = 3,211,549.32 × 722,082.08
  4. Step 4: Simplify right side
    2,141,029.28x = 2,319,002,213,008.19
  5. Step 5: Solve for x
    x = 2,319,002,213,008.19/2,141,029.28
  6. Step 6: Final answer
    x = 1,083,124.94

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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.