Home / 2,179,565.61-3,008,216.86-1,443,221.85

Finding the Fourth Proportional to 2,179,565.61, 3,008,216.86 and 1,443,221.85

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Solution

The fourth proportional to 2,179,565.61, 3,008,216.86 and 1,443,221.85 is: 1,991,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,565.61 : 3,008,216.86 = 1,443,221.85 : x
  2. Step 2: Convert to fraction form
    2,179,565.61/3,008,216.86 = 1,443,221.85/x
  3. Step 3: Cross multiply
    2,179,565.61x = 3,008,216.86 × 1,443,221.85
  4. Step 4: Simplify right side
    2,179,565.61x = 4,341,524,301,890.39
  5. Step 5: Solve for x
    x = 4,341,524,301,890.39/2,179,565.61
  6. Step 6: Final answer
    x = 1,991,921.82

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1.5x scale

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.