Home / 2,116,481.30-3,173,803.38-768,195.80

Finding the Fourth Proportional to 2,116,481.30, 3,173,803.38 and 768,195.80

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Solution

The fourth proportional to 2,116,481.30, 3,173,803.38 and 768,195.80 is: 1,151,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,481.30 : 3,173,803.38 = 768,195.80 : x
  2. Step 2: Convert to fraction form
    2,116,481.30/3,173,803.38 = 768,195.80/x
  3. Step 3: Cross multiply
    2,116,481.30x = 3,173,803.38 × 768,195.80
  4. Step 4: Simplify right side
    2,116,481.30x = 2,438,102,426,541.80
  5. Step 5: Solve for x
    x = 2,438,102,426,541.80/2,116,481.30
  6. Step 6: Final answer
    x = 1,151,960.30

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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.