Home / 2,381,903.46-3,281,016.42-1,921,730.34

Finding the Fourth Proportional to 2,381,903.46, 3,281,016.42 and 1,921,730.34

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Solution

The fourth proportional to 2,381,903.46, 3,281,016.42 and 1,921,730.34 is: 2,647,138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,903.46 : 3,281,016.42 = 1,921,730.34 : x
  2. Step 2: Convert to fraction form
    2,381,903.46/3,281,016.42 = 1,921,730.34/x
  3. Step 3: Cross multiply
    2,381,903.46x = 3,281,016.42 × 1,921,730.34
  4. Step 4: Simplify right side
    2,381,903.46x = 6,305,228,800,352.18
  5. Step 5: Solve for x
    x = 6,305,228,800,352.18/2,381,903.46
  6. Step 6: Final answer
    x = 2,647,138.69

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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.