Home / 2,166,614.97-2,989,891.86-1,199,724.50

Finding the Fourth Proportional to 2,166,614.97, 2,989,891.86 and 1,199,724.50

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Solution

The fourth proportional to 2,166,614.97, 2,989,891.86 and 1,199,724.50 is: 1,655,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,614.97 : 2,989,891.86 = 1,199,724.50 : x
  2. Step 2: Convert to fraction form
    2,166,614.97/2,989,891.86 = 1,199,724.50/x
  3. Step 3: Cross multiply
    2,166,614.97x = 2,989,891.86 × 1,199,724.50
  4. Step 4: Simplify right side
    2,166,614.97x = 3,587,046,516,792.57
  5. Step 5: Solve for x
    x = 3,587,046,516,792.57/2,166,614.97
  6. Step 6: Final answer
    x = 1,655,599.43

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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.