Home / 3,108,942-4,661,409.06-1,311,344.64

Finding the Fourth Proportional to 3,108,942, 4,661,409.06 and 1,311,344.64

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Solution

The fourth proportional to 3,108,942, 4,661,409.06 and 1,311,344.64 is: 1,966,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,942 : 4,661,409.06 = 1,311,344.64 : x
  2. Step 2: Convert to fraction form
    3,108,942/4,661,409.06 = 1,311,344.64/x
  3. Step 3: Cross multiply
    3,108,942x = 4,661,409.06 × 1,311,344.64
  4. Step 4: Simplify right side
    3,108,942x = 6,112,713,785,678.44
  5. Step 5: Solve for x
    x = 6,112,713,785,678.44/3,108,942
  6. Step 6: Final answer
    x = 1,966,171.70

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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.