Home / 2,191,588.48-3,288,254.56-843,389.12

Finding the Fourth Proportional to 2,191,588.48, 3,288,254.56 and 843,389.12

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Solution

The fourth proportional to 2,191,588.48, 3,288,254.56 and 843,389.12 is: 1,265,419.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,588.48 : 3,288,254.56 = 843,389.12 : x
  2. Step 2: Convert to fraction form
    2,191,588.48/3,288,254.56 = 843,389.12/x
  3. Step 3: Cross multiply
    2,191,588.48x = 3,288,254.56 × 843,389.12
  4. Step 4: Simplify right side
    2,191,588.48x = 2,773,278,119,694.39
  5. Step 5: Solve for x
    x = 2,773,278,119,694.39/2,191,588.48
  6. Step 6: Final answer
    x = 1,265,419.19

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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.