Home / 2,588,979.20-3,882,086.40-1,091,379.20

Finding the Fourth Proportional to 2,588,979.20, 3,882,086.40 and 1,091,379.20

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Solution

The fourth proportional to 2,588,979.20, 3,882,086.40 and 1,091,379.20 is: 1,636,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,979.20 : 3,882,086.40 = 1,091,379.20 : x
  2. Step 2: Convert to fraction form
    2,588,979.20/3,882,086.40 = 1,091,379.20/x
  3. Step 3: Cross multiply
    2,588,979.20x = 3,882,086.40 × 1,091,379.20
  4. Step 4: Simplify right side
    2,588,979.20x = 4,236,828,349,562.88
  5. Step 5: Solve for x
    x = 4,236,828,349,562.88/2,588,979.20
  6. Step 6: Final answer
    x = 1,636,486.05

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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.