Home / 2,545,458.08-3,512,658.20-1,442,991.72

Finding the Fourth Proportional to 2,545,458.08, 3,512,658.20 and 1,442,991.72

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Solution

The fourth proportional to 2,545,458.08, 3,512,658.20 and 1,442,991.72 is: 1,991,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,458.08 : 3,512,658.20 = 1,442,991.72 : x
  2. Step 2: Convert to fraction form
    2,545,458.08/3,512,658.20 = 1,442,991.72/x
  3. Step 3: Cross multiply
    2,545,458.08x = 3,512,658.20 × 1,442,991.72
  4. Step 4: Simplify right side
    2,545,458.08x = 5,068,736,697,790.10
  5. Step 5: Solve for x
    x = 5,068,736,697,790.10/2,545,458.08
  6. Step 6: Final answer
    x = 1,991,286.65

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1.5x scale

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.