Home / 4,110,829.20-6,166,243.80-1,981,128.60

Finding the Fourth Proportional to 4,110,829.20, 6,166,243.80 and 1,981,128.60

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Solution

The fourth proportional to 4,110,829.20, 6,166,243.80 and 1,981,128.60 is: 2,971,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,110,829.20 : 6,166,243.80 = 1,981,128.60 : x
  2. Step 2: Convert to fraction form
    4,110,829.20/6,166,243.80 = 1,981,128.60/x
  3. Step 3: Cross multiply
    4,110,829.20x = 6,166,243.80 × 1,981,128.60
  4. Step 4: Simplify right side
    4,110,829.20x = 12,216,121,946,752.68
  5. Step 5: Solve for x
    x = 12,216,121,946,752.68/4,110,829.20
  6. Step 6: Final answer
    x = 2,971,692.90

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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.