Home / 3,286,800.60-4,930,200.90-2,782,915.80

Finding the Fourth Proportional to 3,286,800.60, 4,930,200.90 and 2,782,915.80

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Solution

The fourth proportional to 3,286,800.60, 4,930,200.90 and 2,782,915.80 is: 4,174,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,800.60 : 4,930,200.90 = 2,782,915.80 : x
  2. Step 2: Convert to fraction form
    3,286,800.60/4,930,200.90 = 2,782,915.80/x
  3. Step 3: Cross multiply
    3,286,800.60x = 4,930,200.90 × 2,782,915.80
  4. Step 4: Simplify right side
    3,286,800.60x = 13,720,333,981,784.22
  5. Step 5: Solve for x
    x = 13,720,333,981,784.22/3,286,800.60
  6. Step 6: Final answer
    x = 4,174,373.70

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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.