Home / 2,087,465.80-3,131,198.70-1,614,490.60

Finding the Fourth Proportional to 2,087,465.80, 3,131,198.70 and 1,614,490.60

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Solution

The fourth proportional to 2,087,465.80, 3,131,198.70 and 1,614,490.60 is: 2,421,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,465.80 : 3,131,198.70 = 1,614,490.60 : x
  2. Step 2: Convert to fraction form
    2,087,465.80/3,131,198.70 = 1,614,490.60/x
  3. Step 3: Cross multiply
    2,087,465.80x = 3,131,198.70 × 1,614,490.60
  4. Step 4: Simplify right side
    2,087,465.80x = 5,055,290,867,882.22
  5. Step 5: Solve for x
    x = 5,055,290,867,882.22/2,087,465.80
  6. Step 6: Final answer
    x = 2,421,735.90

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Similar ratio
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1.5x scale

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.