Home / 2,843,699.28-3,923,346.88-1,619,138.72

Finding the Fourth Proportional to 2,843,699.28, 3,923,346.88 and 1,619,138.72

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Solution

The fourth proportional to 2,843,699.28, 3,923,346.88 and 1,619,138.72 is: 2,233,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843,699.28 : 3,923,346.88 = 1,619,138.72 : x
  2. Step 2: Convert to fraction form
    2,843,699.28/3,923,346.88 = 1,619,138.72/x
  3. Step 3: Cross multiply
    2,843,699.28x = 3,923,346.88 × 1,619,138.72
  4. Step 4: Simplify right side
    2,843,699.28x = 6,352,442,845,399.19
  5. Step 5: Solve for x
    x = 6,352,442,845,399.19/2,843,699.28
  6. Step 6: Final answer
    x = 2,233,865.90

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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.