Home / 5,328,197.96-7,990,312.85-1,915,553.35

Finding the Fourth Proportional to 5,328,197.96, 7,990,312.85 and 1,915,553.35

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Solution

The fourth proportional to 5,328,197.96, 7,990,312.85 and 1,915,553.35 is: 2,872,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,197.96 : 7,990,312.85 = 1,915,553.35 : x
  2. Step 2: Convert to fraction form
    5,328,197.96/7,990,312.85 = 1,915,553.35/x
  3. Step 3: Cross multiply
    5,328,197.96x = 7,990,312.85 × 1,915,553.35
  4. Step 4: Simplify right side
    5,328,197.96x = 15,305,870,497,836.21
  5. Step 5: Solve for x
    x = 15,305,870,497,836.21/5,328,197.96
  6. Step 6: Final answer
    x = 2,872,616.71

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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.