Home / 4,268,414.40-6,400,432.80-1,276,209.60

Finding the Fourth Proportional to 4,268,414.40, 6,400,432.80 and 1,276,209.60

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Solution

The fourth proportional to 4,268,414.40, 6,400,432.80 and 1,276,209.60 is: 1,913,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268,414.40 : 6,400,432.80 = 1,276,209.60 : x
  2. Step 2: Convert to fraction form
    4,268,414.40/6,400,432.80 = 1,276,209.60/x
  3. Step 3: Cross multiply
    4,268,414.40x = 6,400,432.80 × 1,276,209.60
  4. Step 4: Simplify right side
    4,268,414.40x = 8,168,293,783,514.88
  5. Step 5: Solve for x
    x = 8,168,293,783,514.88/4,268,414.40
  6. Step 6: Final answer
    x = 1,913,659.97

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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.