Home / 1,659,632.10-2,489,448.15-1,098,666.60

Finding the Fourth Proportional to 1,659,632.10, 2,489,448.15 and 1,098,666.60

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Solution

The fourth proportional to 1,659,632.10, 2,489,448.15 and 1,098,666.60 is: 1,647,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,632.10 : 2,489,448.15 = 1,098,666.60 : x
  2. Step 2: Convert to fraction form
    1,659,632.10/2,489,448.15 = 1,098,666.60/x
  3. Step 3: Cross multiply
    1,659,632.10x = 2,489,448.15 × 1,098,666.60
  4. Step 4: Simplify right side
    1,659,632.10x = 2,735,073,534,836.79
  5. Step 5: Solve for x
    x = 2,735,073,534,836.79/1,659,632.10
  6. Step 6: Final answer
    x = 1,647,999.90

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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.