Home / 3,108,440.40-4,662,922.92-864,578.40

Finding the Fourth Proportional to 3,108,440.40, 4,662,922.92 and 864,578.40

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Solution

The fourth proportional to 3,108,440.40, 4,662,922.92 and 864,578.40 is: 1,296,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,440.40 : 4,662,922.92 = 864,578.40 : x
  2. Step 2: Convert to fraction form
    3,108,440.40/4,662,922.92 = 864,578.40/x
  3. Step 3: Cross multiply
    3,108,440.40x = 4,662,922.92 × 864,578.40
  4. Step 4: Simplify right side
    3,108,440.40x = 4,031,462,437,496.93
  5. Step 5: Solve for x
    x = 4,031,462,437,496.93/3,108,440.40
  6. Step 6: Final answer
    x = 1,296,940.56

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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.