Home / 2,671,186.20-4,004,057.70-1,321,272.60

Finding the Fourth Proportional to 2,671,186.20, 4,004,057.70 and 1,321,272.60

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Solution

The fourth proportional to 2,671,186.20, 4,004,057.70 and 1,321,272.60 is: 1,980,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671,186.20 : 4,004,057.70 = 1,321,272.60 : x
  2. Step 2: Convert to fraction form
    2,671,186.20/4,004,057.70 = 1,321,272.60/x
  3. Step 3: Cross multiply
    2,671,186.20x = 4,004,057.70 × 1,321,272.60
  4. Step 4: Simplify right side
    2,671,186.20x = 5,290,451,727,829.02
  5. Step 5: Solve for x
    x = 5,290,451,727,829.02/2,671,186.20
  6. Step 6: Final answer
    x = 1,980,562.69

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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.