Home / 2,132,803.71-3,199,204.96-853,987.05

Finding the Fourth Proportional to 2,132,803.71, 3,199,204.96 and 853,987.05

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Solution

The fourth proportional to 2,132,803.71, 3,199,204.96 and 853,987.05 is: 1,280,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,803.71 : 3,199,204.96 = 853,987.05 : x
  2. Step 2: Convert to fraction form
    2,132,803.71/3,199,204.96 = 853,987.05/x
  3. Step 3: Cross multiply
    2,132,803.71x = 3,199,204.96 × 853,987.05
  4. Step 4: Simplify right side
    2,132,803.71x = 2,732,079,604,000.80
  5. Step 5: Solve for x
    x = 2,732,079,604,000.80/2,132,803.71
  6. Step 6: Final answer
    x = 1,280,980.33

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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.