Home / 5,077,377.45-7,006,780.36-2,872,193.15

Finding the Fourth Proportional to 5,077,377.45, 7,006,780.36 and 2,872,193.15

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Solution

The fourth proportional to 5,077,377.45, 7,006,780.36 and 2,872,193.15 is: 3,963,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077,377.45 : 7,006,780.36 = 2,872,193.15 : x
  2. Step 2: Convert to fraction form
    5,077,377.45/7,006,780.36 = 2,872,193.15/x
  3. Step 3: Cross multiply
    5,077,377.45x = 7,006,780.36 × 2,872,193.15
  4. Step 4: Simplify right side
    5,077,377.45x = 20,124,826,553,546.54
  5. Step 5: Solve for x
    x = 20,124,826,553,546.54/5,077,377.45
  6. Step 6: Final answer
    x = 3,963,626.25

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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.