Home / 4,920,868.96-6,790,645.20-2,885,034.40

Finding the Fourth Proportional to 4,920,868.96, 6,790,645.20 and 2,885,034.40

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Solution

The fourth proportional to 4,920,868.96, 6,790,645.20 and 2,885,034.40 is: 3,981,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,868.96 : 6,790,645.20 = 2,885,034.40 : x
  2. Step 2: Convert to fraction form
    4,920,868.96/6,790,645.20 = 2,885,034.40/x
  3. Step 3: Cross multiply
    4,920,868.96x = 6,790,645.20 × 2,885,034.40
  4. Step 4: Simplify right side
    4,920,868.96x = 19,591,245,000,194.88
  5. Step 5: Solve for x
    x = 19,591,245,000,194.88/4,920,868.96
  6. Step 6: Final answer
    x = 3,981,257.20

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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.