Home / 4,211,920.26-6,318,667.92-1,687,772.34

Finding the Fourth Proportional to 4,211,920.26, 6,318,667.92 and 1,687,772.34

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Solution

The fourth proportional to 4,211,920.26, 6,318,667.92 and 1,687,772.34 is: 2,531,974.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211,920.26 : 6,318,667.92 = 1,687,772.34 : x
  2. Step 2: Convert to fraction form
    4,211,920.26/6,318,667.92 = 1,687,772.34/x
  3. Step 3: Cross multiply
    4,211,920.26x = 6,318,667.92 × 1,687,772.34
  4. Step 4: Simplify right side
    4,211,920.26x = 10,664,472,941,021.33
  5. Step 5: Solve for x
    x = 10,664,472,941,021.33/4,211,920.26
  6. Step 6: Final answer
    x = 2,531,974.08

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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.