Home / 3,108,838.80-4,663,914.30-979,138.20

Finding the Fourth Proportional to 3,108,838.80, 4,663,914.30 and 979,138.20

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Solution

The fourth proportional to 3,108,838.80, 4,663,914.30 and 979,138.20 is: 1,468,913.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,838.80 : 4,663,914.30 = 979,138.20 : x
  2. Step 2: Convert to fraction form
    3,108,838.80/4,663,914.30 = 979,138.20/x
  3. Step 3: Cross multiply
    3,108,838.80x = 4,663,914.30 × 979,138.20
  4. Step 4: Simplify right side
    3,108,838.80x = 4,566,616,652,656.26
  5. Step 5: Solve for x
    x = 4,566,616,652,656.26/3,108,838.80
  6. Step 6: Final answer
    x = 1,468,913.94

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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.