Home / 2,085,693.80-3,126,207.90-1,187,565.80

Finding the Fourth Proportional to 2,085,693.80, 3,126,207.90 and 1,187,565.80

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Solution

The fourth proportional to 2,085,693.80, 3,126,207.90 and 1,187,565.80 is: 1,780,020.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,693.80 : 3,126,207.90 = 1,187,565.80 : x
  2. Step 2: Convert to fraction form
    2,085,693.80/3,126,207.90 = 1,187,565.80/x
  3. Step 3: Cross multiply
    2,085,693.80x = 3,126,207.90 × 1,187,565.80
  4. Step 4: Simplify right side
    2,085,693.80x = 3,712,577,585,729.82
  5. Step 5: Solve for x
    x = 3,712,577,585,729.82/2,085,693.80
  6. Step 6: Final answer
    x = 1,780,020.44

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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.