Home / 6,981,151.74-10,470,561.21-1,932,972.54

Finding the Fourth Proportional to 6,981,151.74, 10,470,561.21 and 1,932,972.54

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Solution

The fourth proportional to 6,981,151.74, 10,470,561.21 and 1,932,972.54 is: 2,899,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981,151.74 : 10,470,561.21 = 1,932,972.54 : x
  2. Step 2: Convert to fraction form
    6,981,151.74/10,470,561.21 = 1,932,972.54/x
  3. Step 3: Cross multiply
    6,981,151.74x = 10,470,561.21 × 1,932,972.54
  4. Step 4: Simplify right side
    6,981,151.74x = 20,239,307,297,319.18
  5. Step 5: Solve for x
    x = 20,239,307,297,319.18/6,981,151.74
  6. Step 6: Final answer
    x = 2,899,135.85

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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.