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Finding the Fourth Proportional to 2,976,715.04, 4,464,991.92 and 846,945.44

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Solution

The fourth proportional to 2,976,715.04, 4,464,991.92 and 846,945.44 is: 1,270,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,715.04 : 4,464,991.92 = 846,945.44 : x
  2. Step 2: Convert to fraction form
    2,976,715.04/4,464,991.92 = 846,945.44/x
  3. Step 3: Cross multiply
    2,976,715.04x = 4,464,991.92 × 846,945.44
  4. Step 4: Simplify right side
    2,976,715.04x = 3,781,604,546,280.85
  5. Step 5: Solve for x
    x = 3,781,604,546,280.85/2,976,715.04
  6. Step 6: Final answer
    x = 1,270,395.22

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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.