Home / 3,116,971.62-4,301,378.78-1,740,336.52

Finding the Fourth Proportional to 3,116,971.62, 4,301,378.78 and 1,740,336.52

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Solution

The fourth proportional to 3,116,971.62, 4,301,378.78 and 1,740,336.52 is: 2,401,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,971.62 : 4,301,378.78 = 1,740,336.52 : x
  2. Step 2: Convert to fraction form
    3,116,971.62/4,301,378.78 = 1,740,336.52/x
  3. Step 3: Cross multiply
    3,116,971.62x = 4,301,378.78 × 1,740,336.52
  4. Step 4: Simplify right side
    3,116,971.62x = 7,485,846,577,187.05
  5. Step 5: Solve for x
    x = 7,485,846,577,187.05/3,116,971.62
  6. Step 6: Final answer
    x = 2,401,640.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.