Home / 5,328,772.42-7,353,700.74-2,881,377.61

Finding the Fourth Proportional to 5,328,772.42, 7,353,700.74 and 2,881,377.61

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Solution

The fourth proportional to 5,328,772.42, 7,353,700.74 and 2,881,377.61 is: 3,976,298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,772.42 : 7,353,700.74 = 2,881,377.61 : x
  2. Step 2: Convert to fraction form
    5,328,772.42/7,353,700.74 = 2,881,377.61/x
  3. Step 3: Cross multiply
    5,328,772.42x = 7,353,700.74 × 2,881,377.61
  4. Step 4: Simplify right side
    5,328,772.42x = 21,188,788,662,876.43
  5. Step 5: Solve for x
    x = 21,188,788,662,876.43/5,328,772.42
  6. Step 6: Final answer
    x = 3,976,298.29

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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.