Home / 3,927,154.73-5,419,505.91-2,208,260.21

Finding the Fourth Proportional to 3,927,154.73, 5,419,505.91 and 2,208,260.21

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Solution

The fourth proportional to 3,927,154.73, 5,419,505.91 and 2,208,260.21 is: 3,047,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,154.73 : 5,419,505.91 = 2,208,260.21 : x
  2. Step 2: Convert to fraction form
    3,927,154.73/5,419,505.91 = 2,208,260.21/x
  3. Step 3: Cross multiply
    3,927,154.73x = 5,419,505.91 × 2,208,260.21
  4. Step 4: Simplify right side
    3,927,154.73x = 11,967,679,258,912.84
  5. Step 5: Solve for x
    x = 11,967,679,258,912.84/3,927,154.73
  6. Step 6: Final answer
    x = 3,047,417.30

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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.