Home / 5,328,205.56-7,990,324.20-1,915,560.93

Finding the Fourth Proportional to 5,328,205.56, 7,990,324.20 and 1,915,560.93

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Solution

The fourth proportional to 5,328,205.56, 7,990,324.20 and 1,915,560.93 is: 2,872,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,205.56 : 7,990,324.20 = 1,915,560.93 : x
  2. Step 2: Convert to fraction form
    5,328,205.56/7,990,324.20 = 1,915,560.93/x
  3. Step 3: Cross multiply
    5,328,205.56x = 7,990,324.20 × 1,915,560.93
  4. Step 4: Simplify right side
    5,328,205.56x = 15,305,952,855,553.51
  5. Step 5: Solve for x
    x = 15,305,952,855,553.51/5,328,205.56
  6. Step 6: Final answer
    x = 2,872,628.07

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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.