Home / 3,608,305.23-4,979,460.92-2,158,000.64

Finding the Fourth Proportional to 3,608,305.23, 4,979,460.92 and 2,158,000.64

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Solution

The fourth proportional to 3,608,305.23, 4,979,460.92 and 2,158,000.64 is: 2,978,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,305.23 : 4,979,460.92 = 2,158,000.64 : x
  2. Step 2: Convert to fraction form
    3,608,305.23/4,979,460.92 = 2,158,000.64/x
  3. Step 3: Cross multiply
    3,608,305.23x = 4,979,460.92 × 2,158,000.64
  4. Step 4: Simplify right side
    3,608,305.23x = 10,745,679,852,214.99
  5. Step 5: Solve for x
    x = 10,745,679,852,214.99/3,608,305.23
  6. Step 6: Final answer
    x = 2,978,040.71

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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.