Home / 2,311,613.98-3,190,031.11-1,279,165.23

Finding the Fourth Proportional to 2,311,613.98, 3,190,031.11 and 1,279,165.23

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Solution

The fourth proportional to 2,311,613.98, 3,190,031.11 and 1,279,165.23 is: 1,765,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,613.98 : 3,190,031.11 = 1,279,165.23 : x
  2. Step 2: Convert to fraction form
    2,311,613.98/3,190,031.11 = 1,279,165.23/x
  3. Step 3: Cross multiply
    2,311,613.98x = 3,190,031.11 × 1,279,165.23
  4. Step 4: Simplify right side
    2,311,613.98x = 4,080,576,878,530.31
  5. Step 5: Solve for x
    x = 4,080,576,878,530.31/2,311,613.98
  6. Step 6: Final answer
    x = 1,765,250.13

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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.