Home / 2,071,556.40-3,108,112.20-810,289.20

Finding the Fourth Proportional to 2,071,556.40, 3,108,112.20 and 810,289.20

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Solution

The fourth proportional to 2,071,556.40, 3,108,112.20 and 810,289.20 is: 1,215,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,556.40 : 3,108,112.20 = 810,289.20 : x
  2. Step 2: Convert to fraction form
    2,071,556.40/3,108,112.20 = 810,289.20/x
  3. Step 3: Cross multiply
    2,071,556.40x = 3,108,112.20 × 810,289.20
  4. Step 4: Simplify right side
    2,071,556.40x = 2,518,469,748,048.24
  5. Step 5: Solve for x
    x = 2,518,469,748,048.24/2,071,556.40
  6. Step 6: Final answer
    x = 1,215,737.96

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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.