Home / 3,120,286.60-4,680,429.90-2,616,401.80

Finding the Fourth Proportional to 3,120,286.60, 4,680,429.90 and 2,616,401.80

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Solution

The fourth proportional to 3,120,286.60, 4,680,429.90 and 2,616,401.80 is: 3,924,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,286.60 : 4,680,429.90 = 2,616,401.80 : x
  2. Step 2: Convert to fraction form
    3,120,286.60/4,680,429.90 = 2,616,401.80/x
  3. Step 3: Cross multiply
    3,120,286.60x = 4,680,429.90 × 2,616,401.80
  4. Step 4: Simplify right side
    3,120,286.60x = 12,245,885,215,133.82
  5. Step 5: Solve for x
    x = 12,245,885,215,133.82/3,120,286.60
  6. Step 6: Final answer
    x = 3,924,602.70

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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.