Home / 3,187,815.86-4,399,147.16-1,737,506.80

Finding the Fourth Proportional to 3,187,815.86, 4,399,147.16 and 1,737,506.80

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Solution

The fourth proportional to 3,187,815.86, 4,399,147.16 and 1,737,506.80 is: 2,397,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,815.86 : 4,399,147.16 = 1,737,506.80 : x
  2. Step 2: Convert to fraction form
    3,187,815.86/4,399,147.16 = 1,737,506.80/x
  3. Step 3: Cross multiply
    3,187,815.86x = 4,399,147.16 × 1,737,506.80
  4. Step 4: Simplify right side
    3,187,815.86x = 7,643,548,104,700.69
  5. Step 5: Solve for x
    x = 7,643,548,104,700.69/3,187,815.86
  6. Step 6: Final answer
    x = 2,397,738.28

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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.