Home / 3,211,040.53-4,817,269.03-936,742.78

Finding the Fourth Proportional to 3,211,040.53, 4,817,269.03 and 936,742.78

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Solution

The fourth proportional to 3,211,040.53, 4,817,269.03 and 936,742.78 is: 1,405,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,040.53 : 4,817,269.03 = 936,742.78 : x
  2. Step 2: Convert to fraction form
    3,211,040.53/4,817,269.03 = 936,742.78/x
  3. Step 3: Cross multiply
    3,211,040.53x = 4,817,269.03 × 936,742.78
  4. Step 4: Simplify right side
    3,211,040.53x = 4,512,541,959,083.76
  5. Step 5: Solve for x
    x = 4,512,541,959,083.76/3,211,040.53
  6. Step 6: Final answer
    x = 1,405,320.77

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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.