Home / 3,438,792.60-4,745,576.79-1,890,223.38

Finding the Fourth Proportional to 3,438,792.60, 4,745,576.79 and 1,890,223.38

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Solution

The fourth proportional to 3,438,792.60, 4,745,576.79 and 1,890,223.38 is: 2,608,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,792.60 : 4,745,576.79 = 1,890,223.38 : x
  2. Step 2: Convert to fraction form
    3,438,792.60/4,745,576.79 = 1,890,223.38/x
  3. Step 3: Cross multiply
    3,438,792.60x = 4,745,576.79 × 1,890,223.38
  4. Step 4: Simplify right side
    3,438,792.60x = 8,970,200,200,043.35
  5. Step 5: Solve for x
    x = 8,970,200,200,043.35/3,438,792.60
  6. Step 6: Final answer
    x = 2,608,531.90

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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.