Home / 2,615,992.88-3,923,950.42-722,692.40

Finding the Fourth Proportional to 2,615,992.88, 3,923,950.42 and 722,692.40

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Solution

The fourth proportional to 2,615,992.88, 3,923,950.42 and 722,692.40 is: 1,084,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,992.88 : 3,923,950.42 = 722,692.40 : x
  2. Step 2: Convert to fraction form
    2,615,992.88/3,923,950.42 = 722,692.40/x
  3. Step 3: Cross multiply
    2,615,992.88x = 3,923,950.42 × 722,692.40
  4. Step 4: Simplify right side
    2,615,992.88x = 2,835,809,146,510.81
  5. Step 5: Solve for x
    x = 2,835,809,146,510.81/2,615,992.88
  6. Step 6: Final answer
    x = 1,084,027.85

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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.