Home / 2,187,611.88-3,281,745.96-767,417.76

Finding the Fourth Proportional to 2,187,611.88, 3,281,745.96 and 767,417.76

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Solution

The fourth proportional to 2,187,611.88, 3,281,745.96 and 767,417.76 is: 1,151,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,611.88 : 3,281,745.96 = 767,417.76 : x
  2. Step 2: Convert to fraction form
    2,187,611.88/3,281,745.96 = 767,417.76/x
  3. Step 3: Cross multiply
    2,187,611.88x = 3,281,745.96 × 767,417.76
  4. Step 4: Simplify right side
    2,187,611.88x = 2,518,470,133,512.25
  5. Step 5: Solve for x
    x = 2,518,470,133,512.25/2,187,611.88
  6. Step 6: Final answer
    x = 1,151,241.75

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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.