Home / 2,119,260.37-3,179,000.51-699,427.17

Finding the Fourth Proportional to 2,119,260.37, 3,179,000.51 and 699,427.17

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Solution

The fourth proportional to 2,119,260.37, 3,179,000.51 and 699,427.17 is: 1,049,177.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,260.37 : 3,179,000.51 = 699,427.17 : x
  2. Step 2: Convert to fraction form
    2,119,260.37/3,179,000.51 = 699,427.17/x
  3. Step 3: Cross multiply
    2,119,260.37x = 3,179,000.51 × 699,427.17
  4. Step 4: Simplify right side
    2,119,260.37x = 2,223,479,330,137.86
  5. Step 5: Solve for x
    x = 2,223,479,330,137.86/2,119,260.37
  6. Step 6: Final answer
    x = 1,049,177.04

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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.