Home / 3,985,727.31-5,979,540.03-1,290,052.98

Finding the Fourth Proportional to 3,985,727.31, 5,979,540.03 and 1,290,052.98

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Solution

The fourth proportional to 3,985,727.31, 5,979,540.03 and 1,290,052.98 is: 1,935,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,727.31 : 5,979,540.03 = 1,290,052.98 : x
  2. Step 2: Convert to fraction form
    3,985,727.31/5,979,540.03 = 1,290,052.98/x
  3. Step 3: Cross multiply
    3,985,727.31x = 5,979,540.03 × 1,290,052.98
  4. Step 4: Simplify right side
    3,985,727.31x = 7,713,923,434,730.79
  5. Step 5: Solve for x
    x = 7,713,923,434,730.79/3,985,727.31
  6. Step 6: Final answer
    x = 1,935,386.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.