Home / 2,080,205.90-3,120,308.85-1,702,292.30

Finding the Fourth Proportional to 2,080,205.90, 3,120,308.85 and 1,702,292.30

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Solution

The fourth proportional to 2,080,205.90, 3,120,308.85 and 1,702,292.30 is: 2,553,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,205.90 : 3,120,308.85 = 1,702,292.30 : x
  2. Step 2: Convert to fraction form
    2,080,205.90/3,120,308.85 = 1,702,292.30/x
  3. Step 3: Cross multiply
    2,080,205.90x = 3,120,308.85 × 1,702,292.30
  4. Step 4: Simplify right side
    2,080,205.90x = 5,311,677,728,976.86
  5. Step 5: Solve for x
    x = 5,311,677,728,976.86/2,080,205.90
  6. Step 6: Final answer
    x = 2,553,438.45

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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.