Home / 2,086,867.80-3,130,301.70-1,613,892.60

Finding the Fourth Proportional to 2,086,867.80, 3,130,301.70 and 1,613,892.60

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Solution

The fourth proportional to 2,086,867.80, 3,130,301.70 and 1,613,892.60 is: 2,420,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,867.80 : 3,130,301.70 = 1,613,892.60 : x
  2. Step 2: Convert to fraction form
    2,086,867.80/3,130,301.70 = 1,613,892.60/x
  3. Step 3: Cross multiply
    2,086,867.80x = 3,130,301.70 × 1,613,892.60
  4. Step 4: Simplify right side
    2,086,867.80x = 5,051,970,749,397.42
  5. Step 5: Solve for x
    x = 5,051,970,749,397.42/2,086,867.80
  6. Step 6: Final answer
    x = 2,420,838.90

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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.