Home / 3,874,628.75-5,347,243.22-2,155,752.86

Finding the Fourth Proportional to 3,874,628.75, 5,347,243.22 and 2,155,752.86

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Solution

The fourth proportional to 3,874,628.75, 5,347,243.22 and 2,155,752.86 is: 2,975,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,628.75 : 5,347,243.22 = 2,155,752.86 : x
  2. Step 2: Convert to fraction form
    3,874,628.75/5,347,243.22 = 2,155,752.86/x
  3. Step 3: Cross multiply
    3,874,628.75x = 5,347,243.22 × 2,155,752.86
  4. Step 4: Simplify right side
    3,874,628.75x = 11,527,334,827,115.63
  5. Step 5: Solve for x
    x = 11,527,334,827,115.63/3,874,628.75
  6. Step 6: Final answer
    x = 2,975,081.12

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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.