Home / 2,230,507.81-3,078,042.69-1,263,613.24

Finding the Fourth Proportional to 2,230,507.81, 3,078,042.69 and 1,263,613.24

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Solution

The fourth proportional to 2,230,507.81, 3,078,042.69 and 1,263,613.24 is: 1,743,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,507.81 : 3,078,042.69 = 1,263,613.24 : x
  2. Step 2: Convert to fraction form
    2,230,507.81/3,078,042.69 = 1,263,613.24/x
  3. Step 3: Cross multiply
    2,230,507.81x = 3,078,042.69 × 1,263,613.24
  4. Step 4: Simplify right side
    2,230,507.81x = 3,889,455,496,369.22
  5. Step 5: Solve for x
    x = 3,889,455,496,369.22/2,230,507.81
  6. Step 6: Final answer
    x = 1,743,753.36

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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.