Home / 2,154,778.25-2,973,616.89-1,187,943.14

Finding the Fourth Proportional to 2,154,778.25, 2,973,616.89 and 1,187,943.14

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Solution

The fourth proportional to 2,154,778.25, 2,973,616.89 and 1,187,943.14 is: 1,639,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,778.25 : 2,973,616.89 = 1,187,943.14 : x
  2. Step 2: Convert to fraction form
    2,154,778.25/2,973,616.89 = 1,187,943.14/x
  3. Step 3: Cross multiply
    2,154,778.25x = 2,973,616.89 × 1,187,943.14
  4. Step 4: Simplify right side
    2,154,778.25x = 3,532,487,785,463.63
  5. Step 5: Solve for x
    x = 3,532,487,785,463.63/2,154,778.25
  6. Step 6: Final answer
    x = 1,639,374.16

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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.