Home / 5,776,973.76-7,972,672.64-3,198,894.40

Finding the Fourth Proportional to 5,776,973.76, 7,972,672.64 and 3,198,894.40

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Solution

The fourth proportional to 5,776,973.76, 7,972,672.64 and 3,198,894.40 is: 4,414,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776,973.76 : 7,972,672.64 = 3,198,894.40 : x
  2. Step 2: Convert to fraction form
    5,776,973.76/7,972,672.64 = 3,198,894.40/x
  3. Step 3: Cross multiply
    5,776,973.76x = 7,972,672.64 × 3,198,894.40
  4. Step 4: Simplify right side
    5,776,973.76x = 25,503,737,861,129.21
  5. Step 5: Solve for x
    x = 25,503,737,861,129.21/5,776,973.76
  6. Step 6: Final answer
    x = 4,414,722.82

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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.