Home / 5,387,549.47-7,434,975.75-2,940,317.58

Finding the Fourth Proportional to 5,387,549.47, 7,434,975.75 and 2,940,317.58

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Solution

The fourth proportional to 5,387,549.47, 7,434,975.75 and 2,940,317.58 is: 4,057,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,549.47 : 7,434,975.75 = 2,940,317.58 : x
  2. Step 2: Convert to fraction form
    5,387,549.47/7,434,975.75 = 2,940,317.58/x
  3. Step 3: Cross multiply
    5,387,549.47x = 7,434,975.75 × 2,940,317.58
  4. Step 4: Simplify right side
    5,387,549.47x = 21,861,189,929,723.30
  5. Step 5: Solve for x
    x = 21,861,189,929,723.30/5,387,549.47
  6. Step 6: Final answer
    x = 4,057,724.21

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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.