Home / 3,215,324.80-4,816,681.21-1,864,649.77

Finding the Fourth Proportional to 3,215,324.80, 4,816,681.21 and 1,864,649.77

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Solution

The fourth proportional to 3,215,324.80, 4,816,681.21 and 1,864,649.77 is: 2,793,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,324.80 : 4,816,681.21 = 1,864,649.77 : x
  2. Step 2: Convert to fraction form
    3,215,324.80/4,816,681.21 = 1,864,649.77/x
  3. Step 3: Cross multiply
    3,215,324.80x = 4,816,681.21 × 1,864,649.77
  4. Step 4: Simplify right side
    3,215,324.80x = 8,981,423,510,389.82
  5. Step 5: Solve for x
    x = 8,981,423,510,389.82/3,215,324.80
  6. Step 6: Final answer
    x = 2,793,317.65

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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.