Home / 2,631,318.51-3,947,119.07-834,342.12

Finding the Fourth Proportional to 2,631,318.51, 3,947,119.07 and 834,342.12

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Solution

The fourth proportional to 2,631,318.51, 3,947,119.07 and 834,342.12 is: 1,251,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,318.51 : 3,947,119.07 = 834,342.12 : x
  2. Step 2: Convert to fraction form
    2,631,318.51/3,947,119.07 = 834,342.12/x
  3. Step 3: Cross multiply
    2,631,318.51x = 3,947,119.07 × 834,342.12
  4. Step 4: Simplify right side
    2,631,318.51x = 3,293,247,688,584.52
  5. Step 5: Solve for x
    x = 3,293,247,688,584.52/2,631,318.51
  6. Step 6: Final answer
    x = 1,251,557.98

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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.