Home / 2,855,291.58-3,940,412.67-1,566,186.30

Finding the Fourth Proportional to 2,855,291.58, 3,940,412.67 and 1,566,186.30

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Solution

The fourth proportional to 2,855,291.58, 3,940,412.67 and 1,566,186.30 is: 2,161,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,291.58 : 3,940,412.67 = 1,566,186.30 : x
  2. Step 2: Convert to fraction form
    2,855,291.58/3,940,412.67 = 1,566,186.30/x
  3. Step 3: Cross multiply
    2,855,291.58x = 3,940,412.67 × 1,566,186.30
  4. Step 4: Simplify right side
    2,855,291.58x = 6,171,420,340,100.42
  5. Step 5: Solve for x
    x = 6,171,420,340,100.42/2,855,291.58
  6. Step 6: Final answer
    x = 2,161,397.59

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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.