Home / 2,177,991.57-3,264,854.88-1,218,915.54

Finding the Fourth Proportional to 2,177,991.57, 3,264,854.88 and 1,218,915.54

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Solution

The fourth proportional to 2,177,991.57, 3,264,854.88 and 1,218,915.54 is: 1,827,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,991.57 : 3,264,854.88 = 1,218,915.54 : x
  2. Step 2: Convert to fraction form
    2,177,991.57/3,264,854.88 = 1,218,915.54/x
  3. Step 3: Cross multiply
    2,177,991.57x = 3,264,854.88 × 1,218,915.54
  4. Step 4: Simplify right side
    2,177,991.57x = 3,979,582,349,076.84
  5. Step 5: Solve for x
    x = 3,979,582,349,076.84/2,177,991.57
  6. Step 6: Final answer
    x = 1,827,179.87

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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.