Home / 5,148,120.91-7,719,153.18-1,953,471.73

Finding the Fourth Proportional to 5,148,120.91, 7,719,153.18 and 1,953,471.73

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Solution

The fourth proportional to 5,148,120.91, 7,719,153.18 and 1,953,471.73 is: 2,929,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,120.91 : 7,719,153.18 = 1,953,471.73 : x
  2. Step 2: Convert to fraction form
    5,148,120.91/7,719,153.18 = 1,953,471.73/x
  3. Step 3: Cross multiply
    5,148,120.91x = 7,719,153.18 × 1,953,471.73
  4. Step 4: Simplify right side
    5,148,120.91x = 15,079,147,516,669.60
  5. Step 5: Solve for x
    x = 15,079,147,516,669.60/5,148,120.91
  6. Step 6: Final answer
    x = 2,929,058.54

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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.