Home / 3,215,905.20-4,820,501.16-1,085,255.28

Finding the Fourth Proportional to 3,215,905.20, 4,820,501.16 and 1,085,255.28

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Solution

The fourth proportional to 3,215,905.20, 4,820,501.16 and 1,085,255.28 is: 1,626,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,905.20 : 4,820,501.16 = 1,085,255.28 : x
  2. Step 2: Convert to fraction form
    3,215,905.20/4,820,501.16 = 1,085,255.28/x
  3. Step 3: Cross multiply
    3,215,905.20x = 4,820,501.16 × 1,085,255.28
  4. Step 4: Simplify right side
    3,215,905.20x = 5,231,474,336,136.13
  5. Step 5: Solve for x
    x = 5,231,474,336,136.13/3,215,905.20
  6. Step 6: Final answer
    x = 1,626,750.17

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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.