Home / 2,191,504.30-3,287,256.45-1,293,376.30

Finding the Fourth Proportional to 2,191,504.30, 3,287,256.45 and 1,293,376.30

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Solution

The fourth proportional to 2,191,504.30, 3,287,256.45 and 1,293,376.30 is: 1,940,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,504.30 : 3,287,256.45 = 1,293,376.30 : x
  2. Step 2: Convert to fraction form
    2,191,504.30/3,287,256.45 = 1,293,376.30/x
  3. Step 3: Cross multiply
    2,191,504.30x = 3,287,256.45 × 1,293,376.30
  4. Step 4: Simplify right side
    2,191,504.30x = 4,251,659,584,452.14
  5. Step 5: Solve for x
    x = 4,251,659,584,452.14/2,191,504.30
  6. Step 6: Final answer
    x = 1,940,064.45

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Similar ratio
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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.