Home / 2,154,189.63-3,231,838.08-806,371.64

Finding the Fourth Proportional to 2,154,189.63, 3,231,838.08 and 806,371.64

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Solution

The fourth proportional to 2,154,189.63, 3,231,838.08 and 806,371.64 is: 1,209,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,189.63 : 3,231,838.08 = 806,371.64 : x
  2. Step 2: Convert to fraction form
    2,154,189.63/3,231,838.08 = 806,371.64/x
  3. Step 3: Cross multiply
    2,154,189.63x = 3,231,838.08 × 806,371.64
  4. Step 4: Simplify right side
    2,154,189.63x = 2,606,062,556,624.86
  5. Step 5: Solve for x
    x = 2,606,062,556,624.86/2,154,189.63
  6. Step 6: Final answer
    x = 1,209,764.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.