Home / 3,608,304.48-4,979,459.88-2,157,999.88

Finding the Fourth Proportional to 3,608,304.48, 4,979,459.88 and 2,157,999.88

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Solution

The fourth proportional to 3,608,304.48, 4,979,459.88 and 2,157,999.88 is: 2,978,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,304.48 : 4,979,459.88 = 2,157,999.88 : x
  2. Step 2: Convert to fraction form
    3,608,304.48/4,979,459.88 = 2,157,999.88/x
  3. Step 3: Cross multiply
    3,608,304.48x = 4,979,459.88 × 2,157,999.88
  4. Step 4: Simplify right side
    3,608,304.48x = 10,745,673,823,504.81
  5. Step 5: Solve for x
    x = 10,745,673,823,504.81/3,608,304.48
  6. Step 6: Final answer
    x = 2,978,039.65

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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.