Home / 4,920,378.90-7,380,568.35-2,794,614.90

Finding the Fourth Proportional to 4,920,378.90, 7,380,568.35 and 2,794,614.90

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Solution

The fourth proportional to 4,920,378.90, 7,380,568.35 and 2,794,614.90 is: 4,191,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,378.90 : 7,380,568.35 = 2,794,614.90 : x
  2. Step 2: Convert to fraction form
    4,920,378.90/7,380,568.35 = 2,794,614.90/x
  3. Step 3: Cross multiply
    4,920,378.90x = 7,380,568.35 × 2,794,614.90
  4. Step 4: Simplify right side
    4,920,378.90x = 20,625,846,281,378.41
  5. Step 5: Solve for x
    x = 20,625,846,281,378.41/4,920,378.90
  6. Step 6: Final answer
    x = 4,191,922.35

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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.