Home / 2,167,713.87-2,991,352.64-1,200,884.91

Finding the Fourth Proportional to 2,167,713.87, 2,991,352.64 and 1,200,884.91

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Solution

The fourth proportional to 2,167,713.87, 2,991,352.64 and 1,200,884.91 is: 1,657,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,713.87 : 2,991,352.64 = 1,200,884.91 : x
  2. Step 2: Convert to fraction form
    2,167,713.87/2,991,352.64 = 1,200,884.91/x
  3. Step 3: Cross multiply
    2,167,713.87x = 2,991,352.64 × 1,200,884.91
  4. Step 4: Simplify right side
    2,167,713.87x = 3,592,270,239,860.24
  5. Step 5: Solve for x
    x = 3,592,270,239,860.24/2,167,713.87
  6. Step 6: Final answer
    x = 1,657,169.93

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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.