Home / 2,640,317.75-3,961,329.56-1,221,304.67

Finding the Fourth Proportional to 2,640,317.75, 3,961,329.56 and 1,221,304.67

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Solution

The fourth proportional to 2,640,317.75, 3,961,329.56 and 1,221,304.67 is: 1,832,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,317.75 : 3,961,329.56 = 1,221,304.67 : x
  2. Step 2: Convert to fraction form
    2,640,317.75/3,961,329.56 = 1,221,304.67/x
  3. Step 3: Cross multiply
    2,640,317.75x = 3,961,329.56 × 1,221,304.67
  4. Step 4: Simplify right side
    2,640,317.75x = 4,837,990,265,123.87
  5. Step 5: Solve for x
    x = 4,837,990,265,123.87/2,640,317.75
  6. Step 6: Final answer
    x = 1,832,351.53

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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.