Home / 1,595,435.20-2,197,221.60-1,560,598.72

Finding the Fourth Proportional to 1,595,435.20, 2,197,221.60 and 1,560,598.72

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Solution

The fourth proportional to 1,595,435.20, 2,197,221.60 and 1,560,598.72 is: 2,149,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595,435.20 : 2,197,221.60 = 1,560,598.72 : x
  2. Step 2: Convert to fraction form
    1,595,435.20/2,197,221.60 = 1,560,598.72/x
  3. Step 3: Cross multiply
    1,595,435.20x = 2,197,221.60 × 1,560,598.72
  4. Step 4: Simplify right side
    1,595,435.20x = 3,428,981,216,516.35
  5. Step 5: Solve for x
    x = 3,428,981,216,516.35/1,595,435.20
  6. Step 6: Final answer
    x = 2,149,245.06

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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.