Home / 4,128,693.80-6,193,040.70-3,278,388.20

Finding the Fourth Proportional to 4,128,693.80, 6,193,040.70 and 3,278,388.20

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Solution

The fourth proportional to 4,128,693.80, 6,193,040.70 and 3,278,388.20 is: 4,917,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,693.80 : 6,193,040.70 = 3,278,388.20 : x
  2. Step 2: Convert to fraction form
    4,128,693.80/6,193,040.70 = 3,278,388.20/x
  3. Step 3: Cross multiply
    4,128,693.80x = 6,193,040.70 × 3,278,388.20
  4. Step 4: Simplify right side
    4,128,693.80x = 20,303,191,552,999.74
  5. Step 5: Solve for x
    x = 20,303,191,552,999.74/4,128,693.80
  6. Step 6: Final answer
    x = 4,917,582.30

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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.