Home / 2,191,753.61-3,287,939.02-675,558.75

Finding the Fourth Proportional to 2,191,753.61, 3,287,939.02 and 675,558.75

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Solution

The fourth proportional to 2,191,753.61, 3,287,939.02 and 675,558.75 is: 1,013,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,753.61 : 3,287,939.02 = 675,558.75 : x
  2. Step 2: Convert to fraction form
    2,191,753.61/3,287,939.02 = 675,558.75/x
  3. Step 3: Cross multiply
    2,191,753.61x = 3,287,939.02 × 675,558.75
  4. Step 4: Simplify right side
    2,191,753.61x = 2,221,195,974,427.42
  5. Step 5: Solve for x
    x = 2,221,195,974,427.42/2,191,753.61
  6. Step 6: Final answer
    x = 1,013,433.25

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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.