Home / 2,516,358.60-3,771,390.24-1,981,768.32

Finding the Fourth Proportional to 2,516,358.60, 3,771,390.24 and 1,981,768.32

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Solution

The fourth proportional to 2,516,358.60, 3,771,390.24 and 1,981,768.32 is: 2,970,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516,358.60 : 3,771,390.24 = 1,981,768.32 : x
  2. Step 2: Convert to fraction form
    2,516,358.60/3,771,390.24 = 1,981,768.32/x
  3. Step 3: Cross multiply
    2,516,358.60x = 3,771,390.24 × 1,981,768.32
  4. Step 4: Simplify right side
    2,516,358.60x = 7,474,021,699,989.20
  5. Step 5: Solve for x
    x = 7,474,021,699,989.20/2,516,358.60
  6. Step 6: Final answer
    x = 2,970,173.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.