Home / 2,141,039.28-3,211,564.32-722,092.08

Finding the Fourth Proportional to 2,141,039.28, 3,211,564.32 and 722,092.08

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Solution

The fourth proportional to 2,141,039.28, 3,211,564.32 and 722,092.08 is: 1,083,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,039.28 : 3,211,564.32 = 722,092.08 : x
  2. Step 2: Convert to fraction form
    2,141,039.28/3,211,564.32 = 722,092.08/x
  3. Step 3: Cross multiply
    2,141,039.28x = 3,211,564.32 × 722,092.08
  4. Step 4: Simplify right side
    2,141,039.28x = 2,319,045,159,882.59
  5. Step 5: Solve for x
    x = 2,319,045,159,882.59/2,141,039.28
  6. Step 6: Final answer
    x = 1,083,139.94

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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.