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Finding the Fourth Proportional to 2,764,724.04, 4,146,463.98 and 991,796.04

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Solution

The fourth proportional to 2,764,724.04, 4,146,463.98 and 991,796.04 is: 1,487,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764,724.04 : 4,146,463.98 = 991,796.04 : x
  2. Step 2: Convert to fraction form
    2,764,724.04/4,146,463.98 = 991,796.04/x
  3. Step 3: Cross multiply
    2,764,724.04x = 4,146,463.98 × 991,796.04
  4. Step 4: Simplify right side
    2,764,724.04x = 4,112,446,555,366.64
  5. Step 5: Solve for x
    x = 4,112,446,555,366.64/2,764,724.04
  6. Step 6: Final answer
    x = 1,487,470.90

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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.