Home / 2,205,879.28-3,044,047.10-1,225,815.02

Finding the Fourth Proportional to 2,205,879.28, 3,044,047.10 and 1,225,815.02

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Solution

The fourth proportional to 2,205,879.28, 3,044,047.10 and 1,225,815.02 is: 1,691,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,879.28 : 3,044,047.10 = 1,225,815.02 : x
  2. Step 2: Convert to fraction form
    2,205,879.28/3,044,047.10 = 1,225,815.02/x
  3. Step 3: Cross multiply
    2,205,879.28x = 3,044,047.10 × 1,225,815.02
  4. Step 4: Simplify right side
    2,205,879.28x = 3,731,438,657,176.25
  5. Step 5: Solve for x
    x = 3,731,438,657,176.25/2,205,879.28
  6. Step 6: Final answer
    x = 1,691,587.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.