Home / 3,108,493.20-4,661,115.93-978,005.28

Finding the Fourth Proportional to 3,108,493.20, 4,661,115.93 and 978,005.28

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Solution

The fourth proportional to 3,108,493.20, 4,661,115.93 and 978,005.28 is: 1,466,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,493.20 : 4,661,115.93 = 978,005.28 : x
  2. Step 2: Convert to fraction form
    3,108,493.20/4,661,115.93 = 978,005.28/x
  3. Step 3: Cross multiply
    3,108,493.20x = 4,661,115.93 × 978,005.28
  4. Step 4: Simplify right side
    3,108,493.20x = 4,558,595,990,232.11
  5. Step 5: Solve for x
    x = 4,558,595,990,232.11/3,108,493.20
  6. Step 6: Final answer
    x = 1,466,497.01

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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.