Home / 3,286,803.60-4,930,205.40-2,782,918.80

Finding the Fourth Proportional to 3,286,803.60, 4,930,205.40 and 2,782,918.80

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Solution

The fourth proportional to 3,286,803.60, 4,930,205.40 and 2,782,918.80 is: 4,174,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,803.60 : 4,930,205.40 = 2,782,918.80 : x
  2. Step 2: Convert to fraction form
    3,286,803.60/4,930,205.40 = 2,782,918.80/x
  3. Step 3: Cross multiply
    3,286,803.60x = 4,930,205.40 × 2,782,918.80
  4. Step 4: Simplify right side
    3,286,803.60x = 13,720,361,295,521.52
  5. Step 5: Solve for x
    x = 13,720,361,295,521.52/3,286,803.60
  6. Step 6: Final answer
    x = 4,174,378.20

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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.