Home / 2,227,741.76-3,074,286.12-1,209,146.24

Finding the Fourth Proportional to 2,227,741.76, 3,074,286.12 and 1,209,146.24

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Solution

The fourth proportional to 2,227,741.76, 3,074,286.12 and 1,209,146.24 is: 1,668,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,741.76 : 3,074,286.12 = 1,209,146.24 : x
  2. Step 2: Convert to fraction form
    2,227,741.76/3,074,286.12 = 1,209,146.24/x
  3. Step 3: Cross multiply
    2,227,741.76x = 3,074,286.12 × 1,209,146.24
  4. Step 4: Simplify right side
    2,227,741.76x = 3,717,261,502,682.19
  5. Step 5: Solve for x
    x = 3,717,261,502,682.19/2,227,741.76
  6. Step 6: Final answer
    x = 1,668,623.16

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1.5x scale

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.