Home / 3,200,128.60-4,800,790.70-1,070,223.88

Finding the Fourth Proportional to 3,200,128.60, 4,800,790.70 and 1,070,223.88

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Solution

The fourth proportional to 3,200,128.60, 4,800,790.70 and 1,070,223.88 is: 1,605,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200,128.60 : 4,800,790.70 = 1,070,223.88 : x
  2. Step 2: Convert to fraction form
    3,200,128.60/4,800,790.70 = 1,070,223.88/x
  3. Step 3: Cross multiply
    3,200,128.60x = 4,800,790.70 × 1,070,223.88
  4. Step 4: Simplify right side
    3,200,128.60x = 5,137,920,850,021.92
  5. Step 5: Solve for x
    x = 5,137,920,850,021.92/3,200,128.60
  6. Step 6: Final answer
    x = 1,605,535.74

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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.