Home / 2,166,496.20-2,992,879.01-1,730,340.90

Finding the Fourth Proportional to 2,166,496.20, 2,992,879.01 and 1,730,340.90

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Solution

The fourth proportional to 2,166,496.20, 2,992,879.01 and 1,730,340.90 is: 2,390,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,496.20 : 2,992,879.01 = 1,730,340.90 : x
  2. Step 2: Convert to fraction form
    2,166,496.20/2,992,879.01 = 1,730,340.90/x
  3. Step 3: Cross multiply
    2,166,496.20x = 2,992,879.01 × 1,730,340.90
  4. Step 4: Simplify right side
    2,166,496.20x = 5,178,700,951,102.80
  5. Step 5: Solve for x
    x = 5,178,700,951,102.80/2,166,496.20
  6. Step 6: Final answer
    x = 2,390,357.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.