Home / 2,176,521.86-3,264,790.39-660,217.86

Finding the Fourth Proportional to 2,176,521.86, 3,264,790.39 and 660,217.86

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Solution

The fourth proportional to 2,176,521.86, 3,264,790.39 and 660,217.86 is: 990,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,521.86 : 3,264,790.39 = 660,217.86 : x
  2. Step 2: Convert to fraction form
    2,176,521.86/3,264,790.39 = 660,217.86/x
  3. Step 3: Cross multiply
    2,176,521.86x = 3,264,790.39 × 660,217.86
  4. Step 4: Simplify right side
    2,176,521.86x = 2,155,472,922,983.82
  5. Step 5: Solve for x
    x = 2,155,472,922,983.82/2,176,521.86
  6. Step 6: Final answer
    x = 990,329.09

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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.