Home / 2,819,679.86-3,891,161.22-1,530,520.04

Finding the Fourth Proportional to 2,819,679.86, 3,891,161.22 and 1,530,520.04

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Solution

The fourth proportional to 2,819,679.86, 3,891,161.22 and 1,530,520.04 is: 2,112,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,679.86 : 3,891,161.22 = 1,530,520.04 : x
  2. Step 2: Convert to fraction form
    2,819,679.86/3,891,161.22 = 1,530,520.04/x
  3. Step 3: Cross multiply
    2,819,679.86x = 3,891,161.22 × 1,530,520.04
  4. Step 4: Simplify right side
    2,819,679.86x = 5,955,500,226,080.85
  5. Step 5: Solve for x
    x = 5,955,500,226,080.85/2,819,679.86
  6. Step 6: Final answer
    x = 2,112,119.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.