Home / 3,215,326.80-4,816,684.21-1,864,651.77

Finding the Fourth Proportional to 3,215,326.80, 4,816,684.21 and 1,864,651.77

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Solution

The fourth proportional to 3,215,326.80, 4,816,684.21 and 1,864,651.77 is: 2,793,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,326.80 : 4,816,684.21 = 1,864,651.77 : x
  2. Step 2: Convert to fraction form
    3,215,326.80/4,816,684.21 = 1,864,651.77/x
  3. Step 3: Cross multiply
    3,215,326.80x = 4,816,684.21 × 1,864,651.77
  4. Step 4: Simplify right side
    3,215,326.80x = 8,981,438,737,707.55
  5. Step 5: Solve for x
    x = 8,981,438,737,707.55/3,215,326.80
  6. Step 6: Final answer
    x = 2,793,320.65

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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.