Home / 2,167,616.20-2,991,272.82-1,200,726.16

Finding the Fourth Proportional to 2,167,616.20, 2,991,272.82 and 1,200,726.16

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Solution

The fourth proportional to 2,167,616.20, 2,991,272.82 and 1,200,726.16 is: 1,656,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,616.20 : 2,991,272.82 = 1,200,726.16 : x
  2. Step 2: Convert to fraction form
    2,167,616.20/2,991,272.82 = 1,200,726.16/x
  3. Step 3: Cross multiply
    2,167,616.20x = 2,991,272.82 × 1,200,726.16
  4. Step 4: Simplify right side
    2,167,616.20x = 3,591,699,526,670.97
  5. Step 5: Solve for x
    x = 3,591,699,526,670.97/2,167,616.20
  6. Step 6: Final answer
    x = 1,656,981.31

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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.