Home / 3,947,102.48-5,447,046.89-2,315,537.64

Finding the Fourth Proportional to 3,947,102.48, 5,447,046.89 and 2,315,537.64

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Solution

The fourth proportional to 3,947,102.48, 5,447,046.89 and 2,315,537.64 is: 3,195,468.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,102.48 : 5,447,046.89 = 2,315,537.64 : x
  2. Step 2: Convert to fraction form
    3,947,102.48/5,447,046.89 = 2,315,537.64/x
  3. Step 3: Cross multiply
    3,947,102.48x = 5,447,046.89 × 2,315,537.64
  4. Step 4: Simplify right side
    3,947,102.48x = 12,612,842,106,428.79
  5. Step 5: Solve for x
    x = 12,612,842,106,428.79/3,947,102.48
  6. Step 6: Final answer
    x = 3,195,468.62

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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.