Home / 5,015,949.07-6,922,600.64-2,978,758.57

Finding the Fourth Proportional to 5,015,949.07, 6,922,600.64 and 2,978,758.57

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Solution

The fourth proportional to 5,015,949.07, 6,922,600.64 and 2,978,758.57 is: 4,111,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015,949.07 : 6,922,600.64 = 2,978,758.57 : x
  2. Step 2: Convert to fraction form
    5,015,949.07/6,922,600.64 = 2,978,758.57/x
  3. Step 3: Cross multiply
    5,015,949.07x = 6,922,600.64 × 2,978,758.57
  4. Step 4: Simplify right side
    5,015,949.07x = 20,620,755,968,193.69
  5. Step 5: Solve for x
    x = 20,620,755,968,193.69/5,015,949.07
  6. Step 6: Final answer
    x = 4,111,037.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.