Home / 5,315,364.70-7,966,569.66-2,755,168.19

Finding the Fourth Proportional to 5,315,364.70, 7,966,569.66 and 2,755,168.19

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Solution

The fourth proportional to 5,315,364.70, 7,966,569.66 and 2,755,168.19 is: 4,129,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,364.70 : 7,966,569.66 = 2,755,168.19 : x
  2. Step 2: Convert to fraction form
    5,315,364.70/7,966,569.66 = 2,755,168.19/x
  3. Step 3: Cross multiply
    5,315,364.70x = 7,966,569.66 × 2,755,168.19
  4. Step 4: Simplify right side
    5,315,364.70x = 21,949,239,257,042.43
  5. Step 5: Solve for x
    x = 21,949,239,257,042.43/5,315,364.70
  6. Step 6: Final answer
    x = 4,129,394.78

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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.