Home / 3,049,209.60-4,208,167.68-1,691,520

Finding the Fourth Proportional to 3,049,209.60, 4,208,167.68 and 1,691,520

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Solution

The fourth proportional to 3,049,209.60, 4,208,167.68 and 1,691,520 is: 2,334,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049,209.60 : 4,208,167.68 = 1,691,520 : x
  2. Step 2: Convert to fraction form
    3,049,209.60/4,208,167.68 = 1,691,520/x
  3. Step 3: Cross multiply
    3,049,209.60x = 4,208,167.68 × 1,691,520
  4. Step 4: Simplify right side
    3,049,209.60x = 7,118,199,794,073.60
  5. Step 5: Solve for x
    x = 7,118,199,794,073.60/3,049,209.60
  6. Step 6: Final answer
    x = 2,334,440.96

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1.5x scale

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.