Home / 2,227,742.91-3,074,291.10-1,209,147.66

Finding the Fourth Proportional to 2,227,742.91, 3,074,291.10 and 1,209,147.66

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Solution

The fourth proportional to 2,227,742.91, 3,074,291.10 and 1,209,147.66 is: 1,668,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,742.91 : 3,074,291.10 = 1,209,147.66 : x
  2. Step 2: Convert to fraction form
    2,227,742.91/3,074,291.10 = 1,209,147.66/x
  3. Step 3: Cross multiply
    2,227,742.91x = 3,074,291.10 × 1,209,147.66
  4. Step 4: Simplify right side
    2,227,742.91x = 3,717,271,889,723.83
  5. Step 5: Solve for x
    x = 3,717,271,889,723.83/2,227,742.91
  6. Step 6: Final answer
    x = 1,668,626.96

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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.