Home / 3,107,444.80-4,661,167.20-978,181.60

Finding the Fourth Proportional to 3,107,444.80, 4,661,167.20 and 978,181.60

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Solution

The fourth proportional to 3,107,444.80, 4,661,167.20 and 978,181.60 is: 1,467,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,444.80 : 4,661,167.20 = 978,181.60 : x
  2. Step 2: Convert to fraction form
    3,107,444.80/4,661,167.20 = 978,181.60/x
  3. Step 3: Cross multiply
    3,107,444.80x = 4,661,167.20 × 978,181.60
  4. Step 4: Simplify right side
    3,107,444.80x = 4,559,467,989,563.52
  5. Step 5: Solve for x
    x = 4,559,467,989,563.52/3,107,444.80
  6. Step 6: Final answer
    x = 1,467,272.40

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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.