Home / 2,084,057.10-3,126,085.65-821,720.70

Finding the Fourth Proportional to 2,084,057.10, 3,126,085.65 and 821,720.70

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Solution

The fourth proportional to 2,084,057.10, 3,126,085.65 and 821,720.70 is: 1,232,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,057.10 : 3,126,085.65 = 821,720.70 : x
  2. Step 2: Convert to fraction form
    2,084,057.10/3,126,085.65 = 821,720.70/x
  3. Step 3: Cross multiply
    2,084,057.10x = 3,126,085.65 × 821,720.70
  4. Step 4: Simplify right side
    2,084,057.10x = 2,568,769,288,577.95
  5. Step 5: Solve for x
    x = 2,568,769,288,577.95/2,084,057.10
  6. Step 6: Final answer
    x = 1,232,581.05

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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.