Home / 4,145,668.70-5,722,254.52-2,618,792.78

Finding the Fourth Proportional to 4,145,668.70, 5,722,254.52 and 2,618,792.78

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Solution

The fourth proportional to 4,145,668.70, 5,722,254.52 and 2,618,792.78 is: 3,614,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145,668.70 : 5,722,254.52 = 2,618,792.78 : x
  2. Step 2: Convert to fraction form
    4,145,668.70/5,722,254.52 = 2,618,792.78/x
  3. Step 3: Cross multiply
    4,145,668.70x = 5,722,254.52 × 2,618,792.78
  4. Step 4: Simplify right side
    4,145,668.70x = 14,985,398,787,140.11
  5. Step 5: Solve for x
    x = 14,985,398,787,140.11/4,145,668.70
  6. Step 6: Final answer
    x = 3,614,712.10

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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.