Home / 2,387,138.76-3,294,293.40-1,299,441.60

Finding the Fourth Proportional to 2,387,138.76, 3,294,293.40 and 1,299,441.60

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Solution

The fourth proportional to 2,387,138.76, 3,294,293.40 and 1,299,441.60 is: 1,793,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387,138.76 : 3,294,293.40 = 1,299,441.60 : x
  2. Step 2: Convert to fraction form
    2,387,138.76/3,294,293.40 = 1,299,441.60/x
  3. Step 3: Cross multiply
    2,387,138.76x = 3,294,293.40 × 1,299,441.60
  4. Step 4: Simplify right side
    2,387,138.76x = 4,280,741,886,565.44
  5. Step 5: Solve for x
    x = 4,280,741,886,565.44/2,387,138.76
  6. Step 6: Final answer
    x = 1,793,252.22

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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.