Home / 5,165,859.96-7,128,886.68-2,874,020.04

Finding the Fourth Proportional to 5,165,859.96, 7,128,886.68 and 2,874,020.04

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Solution

The fourth proportional to 5,165,859.96, 7,128,886.68 and 2,874,020.04 is: 3,966,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165,859.96 : 7,128,886.68 = 2,874,020.04 : x
  2. Step 2: Convert to fraction form
    5,165,859.96/7,128,886.68 = 2,874,020.04/x
  3. Step 3: Cross multiply
    5,165,859.96x = 7,128,886.68 × 2,874,020.04
  4. Step 4: Simplify right side
    5,165,859.96x = 20,488,563,181,209.07
  5. Step 5: Solve for x
    x = 20,488,563,181,209.07/5,165,859.96
  6. Step 6: Final answer
    x = 3,966,147.62

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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.