Home / 3,321,147.80-4,981,721.70-2,124,421.40

Finding the Fourth Proportional to 3,321,147.80, 4,981,721.70 and 2,124,421.40

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Solution

The fourth proportional to 3,321,147.80, 4,981,721.70 and 2,124,421.40 is: 3,186,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,147.80 : 4,981,721.70 = 2,124,421.40 : x
  2. Step 2: Convert to fraction form
    3,321,147.80/4,981,721.70 = 2,124,421.40/x
  3. Step 3: Cross multiply
    3,321,147.80x = 4,981,721.70 × 2,124,421.40
  4. Step 4: Simplify right side
    3,321,147.80x = 10,583,276,188,324.38
  5. Step 5: Solve for x
    x = 10,583,276,188,324.38/3,321,147.80
  6. Step 6: Final answer
    x = 3,186,632.10

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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.