Home / 2,167,431.68-2,991,154.19-1,200,561.85

Finding the Fourth Proportional to 2,167,431.68, 2,991,154.19 and 1,200,561.85

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Solution

The fourth proportional to 2,167,431.68, 2,991,154.19 and 1,200,561.85 is: 1,656,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,431.68 : 2,991,154.19 = 1,200,561.85 : x
  2. Step 2: Convert to fraction form
    2,167,431.68/2,991,154.19 = 1,200,561.85/x
  3. Step 3: Cross multiply
    2,167,431.68x = 2,991,154.19 × 1,200,561.85
  4. Step 4: Simplify right side
    2,167,431.68x = 3,591,065,607,981.65
  5. Step 5: Solve for x
    x = 3,591,065,607,981.65/2,167,431.68
  6. Step 6: Final answer
    x = 1,656,829.90

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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.