Home / 5,228,648.92-7,215,752.46-2,905,532.79

Finding the Fourth Proportional to 5,228,648.92, 7,215,752.46 and 2,905,532.79

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Solution

The fourth proportional to 5,228,648.92, 7,215,752.46 and 2,905,532.79 is: 4,009,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,648.92 : 7,215,752.46 = 2,905,532.79 : x
  2. Step 2: Convert to fraction form
    5,228,648.92/7,215,752.46 = 2,905,532.79/x
  3. Step 3: Cross multiply
    5,228,648.92x = 7,215,752.46 × 2,905,532.79
  4. Step 4: Simplify right side
    5,228,648.92x = 20,965,605,377,053.16
  5. Step 5: Solve for x
    x = 20,965,605,377,053.16/5,228,648.92
  6. Step 6: Final answer
    x = 4,009,755.81

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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.