Home / 5,314,276.80-7,960,917.60-3,178,015.20

Finding the Fourth Proportional to 5,314,276.80, 7,960,917.60 and 3,178,015.20

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Solution

The fourth proportional to 5,314,276.80, 7,960,917.60 and 3,178,015.20 is: 4,760,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,276.80 : 7,960,917.60 = 3,178,015.20 : x
  2. Step 2: Convert to fraction form
    5,314,276.80/7,960,917.60 = 3,178,015.20/x
  3. Step 3: Cross multiply
    5,314,276.80x = 7,960,917.60 × 3,178,015.20
  4. Step 4: Simplify right side
    5,314,276.80x = 25,299,917,138,747.52
  5. Step 5: Solve for x
    x = 25,299,917,138,747.52/5,314,276.80
  6. Step 6: Final answer
    x = 4,760,745.08

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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.