Home / 5,275,319.69-7,911,872.25-1,487,916.83

Finding the Fourth Proportional to 5,275,319.69, 7,911,872.25 and 1,487,916.83

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Solution

The fourth proportional to 5,275,319.69, 7,911,872.25 and 1,487,916.83 is: 2,231,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,319.69 : 7,911,872.25 = 1,487,916.83 : x
  2. Step 2: Convert to fraction form
    5,275,319.69/7,911,872.25 = 1,487,916.83/x
  3. Step 3: Cross multiply
    5,275,319.69x = 7,911,872.25 × 1,487,916.83
  4. Step 4: Simplify right side
    5,275,319.69x = 11,772,207,838,025.61
  5. Step 5: Solve for x
    x = 11,772,207,838,025.61/5,275,319.69
  6. Step 6: Final answer
    x = 2,231,562.93

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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.