Home / 3,422,299.96-5,138,496.42-1,908,939.70

Finding the Fourth Proportional to 3,422,299.96, 5,138,496.42 and 1,908,939.70

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Solution

The fourth proportional to 3,422,299.96, 5,138,496.42 and 1,908,939.70 is: 2,866,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,299.96 : 5,138,496.42 = 1,908,939.70 : x
  2. Step 2: Convert to fraction form
    3,422,299.96/5,138,496.42 = 1,908,939.70/x
  3. Step 3: Cross multiply
    3,422,299.96x = 5,138,496.42 × 1,908,939.70
  4. Step 4: Simplify right side
    3,422,299.96x = 9,809,079,814,445.87
  5. Step 5: Solve for x
    x = 9,809,079,814,445.87/3,422,299.96
  6. Step 6: Final answer
    x = 2,866,224.45

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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.