Home / 3,280,575.46-4,920,863.20-2,935,138.80

Finding the Fourth Proportional to 3,280,575.46, 4,920,863.20 and 2,935,138.80

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Solution

The fourth proportional to 3,280,575.46, 4,920,863.20 and 2,935,138.80 is: 4,402,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,575.46 : 4,920,863.20 = 2,935,138.80 : x
  2. Step 2: Convert to fraction form
    3,280,575.46/4,920,863.20 = 2,935,138.80/x
  3. Step 3: Cross multiply
    3,280,575.46x = 4,920,863.20 × 2,935,138.80
  4. Step 4: Simplify right side
    3,280,575.46x = 14,443,416,507,812.16
  5. Step 5: Solve for x
    x = 14,443,416,507,812.16/3,280,575.46
  6. Step 6: Final answer
    x = 4,402,708.21

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Double scale
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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.