Home / 2,039,138.28-2,813,964.48-1,108,825.68

Finding the Fourth Proportional to 2,039,138.28, 2,813,964.48 and 1,108,825.68

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Solution

The fourth proportional to 2,039,138.28, 2,813,964.48 and 1,108,825.68 is: 1,530,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,138.28 : 2,813,964.48 = 1,108,825.68 : x
  2. Step 2: Convert to fraction form
    2,039,138.28/2,813,964.48 = 1,108,825.68/x
  3. Step 3: Cross multiply
    2,039,138.28x = 2,813,964.48 × 1,108,825.68
  4. Step 4: Simplify right side
    2,039,138.28x = 3,120,196,078,031.85
  5. Step 5: Solve for x
    x = 3,120,196,078,031.85/2,039,138.28
  6. Step 6: Final answer
    x = 1,530,154.24

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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.