Home / 5,320,626.80-7,980,940.30-1,277,114.61

Finding the Fourth Proportional to 5,320,626.80, 7,980,940.30 and 1,277,114.61

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Solution

The fourth proportional to 5,320,626.80, 7,980,940.30 and 1,277,114.61 is: 1,915,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,626.80 : 7,980,940.30 = 1,277,114.61 : x
  2. Step 2: Convert to fraction form
    5,320,626.80/7,980,940.30 = 1,277,114.61/x
  3. Step 3: Cross multiply
    5,320,626.80x = 7,980,940.30 × 1,277,114.61
  4. Step 4: Simplify right side
    5,320,626.80x = 10,192,575,461,759.83
  5. Step 5: Solve for x
    x = 10,192,575,461,759.83/5,320,626.80
  6. Step 6: Final answer
    x = 1,915,671.94

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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.