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Finding the Fourth Proportional to 2,653,489, 3,980,855.58 and 880,561

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Solution

The fourth proportional to 2,653,489, 3,980,855.58 and 880,561 is: 1,321,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,489 : 3,980,855.58 = 880,561 : x
  2. Step 2: Convert to fraction form
    2,653,489/3,980,855.58 = 880,561/x
  3. Step 3: Cross multiply
    2,653,489x = 3,980,855.58 × 880,561
  4. Step 4: Simplify right side
    2,653,489x = 3,505,386,170,380.38
  5. Step 5: Solve for x
    x = 3,505,386,170,380.38/2,653,489
  6. Step 6: Final answer
    x = 1,321,047.94

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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.