Home / 2,115,352.97-3,174,290.32-767,620.75

Finding the Fourth Proportional to 2,115,352.97, 3,174,290.32 and 767,620.75

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Solution

The fourth proportional to 2,115,352.97, 3,174,290.32 and 767,620.75 is: 1,151,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,352.97 : 3,174,290.32 = 767,620.75 : x
  2. Step 2: Convert to fraction form
    2,115,352.97/3,174,290.32 = 767,620.75/x
  3. Step 3: Cross multiply
    2,115,352.97x = 3,174,290.32 × 767,620.75
  4. Step 4: Simplify right side
    2,115,352.97x = 2,436,651,113,692.45
  5. Step 5: Solve for x
    x = 2,436,651,113,692.45/2,115,352.97
  6. Step 6: Final answer
    x = 1,151,888.67

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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.