Home / 5,328,194.46-7,990,307.59-1,915,549.85

Finding the Fourth Proportional to 5,328,194.46, 7,990,307.59 and 1,915,549.85

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Solution

The fourth proportional to 5,328,194.46, 7,990,307.59 and 1,915,549.85 is: 2,872,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,194.46 : 7,990,307.59 = 1,915,549.85 : x
  2. Step 2: Convert to fraction form
    5,328,194.46/7,990,307.59 = 1,915,549.85/x
  3. Step 3: Cross multiply
    5,328,194.46x = 7,990,307.59 × 1,915,549.85
  4. Step 4: Simplify right side
    5,328,194.46x = 15,305,832,505,478.36
  5. Step 5: Solve for x
    x = 15,305,832,505,478.36/5,328,194.46
  6. Step 6: Final answer
    x = 2,872,611.47

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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.