Home / 3,940,912.32-5,911,544.66-1,208,263.11

Finding the Fourth Proportional to 3,940,912.32, 5,911,544.66 and 1,208,263.11

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Solution

The fourth proportional to 3,940,912.32, 5,911,544.66 and 1,208,263.11 is: 1,812,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,912.32 : 5,911,544.66 = 1,208,263.11 : x
  2. Step 2: Convert to fraction form
    3,940,912.32/5,911,544.66 = 1,208,263.11/x
  3. Step 3: Cross multiply
    3,940,912.32x = 5,911,544.66 × 1,208,263.11
  4. Step 4: Simplify right side
    3,940,912.32x = 7,142,701,329,754.18
  5. Step 5: Solve for x
    x = 7,142,701,329,754.18/3,940,912.32
  6. Step 6: Final answer
    x = 1,812,448.68

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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.