Home / 2,167,803.61-2,991,350.95-1,200,753.21

Finding the Fourth Proportional to 2,167,803.61, 2,991,350.95 and 1,200,753.21

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Solution

The fourth proportional to 2,167,803.61, 2,991,350.95 and 1,200,753.21 is: 1,656,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,803.61 : 2,991,350.95 = 1,200,753.21 : x
  2. Step 2: Convert to fraction form
    2,167,803.61/2,991,350.95 = 1,200,753.21/x
  3. Step 3: Cross multiply
    2,167,803.61x = 2,991,350.95 × 1,200,753.21
  4. Step 4: Simplify right side
    2,167,803.61x = 3,591,874,252,447.17
  5. Step 5: Solve for x
    x = 3,591,874,252,447.17/2,167,803.61
  6. Step 6: Final answer
    x = 1,656,918.66

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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.