Home / 4,978,016.25-7,467,024.39-1,432,160.25

Finding the Fourth Proportional to 4,978,016.25, 7,467,024.39 and 1,432,160.25

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Solution

The fourth proportional to 4,978,016.25, 7,467,024.39 and 1,432,160.25 is: 2,148,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,016.25 : 7,467,024.39 = 1,432,160.25 : x
  2. Step 2: Convert to fraction form
    4,978,016.25/7,467,024.39 = 1,432,160.25/x
  3. Step 3: Cross multiply
    4,978,016.25x = 7,467,024.39 × 1,432,160.25
  4. Step 4: Simplify right side
    4,978,016.25x = 10,693,975,517,138.50
  5. Step 5: Solve for x
    x = 10,693,975,517,138.50/4,978,016.25
  6. Step 6: Final answer
    x = 2,148,240.38

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1.5x scale

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.