Home / 2,190,565.52-3,023,005.46-1,210,500.75

Finding the Fourth Proportional to 2,190,565.52, 3,023,005.46 and 1,210,500.75

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Solution

The fourth proportional to 2,190,565.52, 3,023,005.46 and 1,210,500.75 is: 1,670,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,565.52 : 3,023,005.46 = 1,210,500.75 : x
  2. Step 2: Convert to fraction form
    2,190,565.52/3,023,005.46 = 1,210,500.75/x
  3. Step 3: Cross multiply
    2,190,565.52x = 3,023,005.46 × 1,210,500.75
  4. Step 4: Simplify right side
    2,190,565.52x = 3,659,350,381,867.86
  5. Step 5: Solve for x
    x = 3,659,350,381,867.86/2,190,565.52
  6. Step 6: Final answer
    x = 1,670,504.88

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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.