Home / 2,238,991.80-3,358,487.70-819,191.40

Finding the Fourth Proportional to 2,238,991.80, 3,358,487.70 and 819,191.40

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Solution

The fourth proportional to 2,238,991.80, 3,358,487.70 and 819,191.40 is: 1,228,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,991.80 : 3,358,487.70 = 819,191.40 : x
  2. Step 2: Convert to fraction form
    2,238,991.80/3,358,487.70 = 819,191.40/x
  3. Step 3: Cross multiply
    2,238,991.80x = 3,358,487.70 × 819,191.40
  4. Step 4: Simplify right side
    2,238,991.80x = 2,751,244,240,845.78
  5. Step 5: Solve for x
    x = 2,751,244,240,845.78/2,238,991.80
  6. Step 6: Final answer
    x = 1,228,787.10

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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.