Home / 3,108,426.75-4,662,904.20-864,564.75

Finding the Fourth Proportional to 3,108,426.75, 4,662,904.20 and 864,564.75

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Solution

The fourth proportional to 3,108,426.75, 4,662,904.20 and 864,564.75 is: 1,296,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,426.75 : 4,662,904.20 = 864,564.75 : x
  2. Step 2: Convert to fraction form
    3,108,426.75/4,662,904.20 = 864,564.75/x
  3. Step 3: Cross multiply
    3,108,426.75x = 4,662,904.20 × 864,564.75
  4. Step 4: Simplify right side
    3,108,426.75x = 4,031,382,603,946.95
  5. Step 5: Solve for x
    x = 4,031,382,603,946.95/3,108,426.75
  6. Step 6: Final answer
    x = 1,296,920.57

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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.