Home / 2,810,661.45-4,215,361.19-1,292,886.69

Finding the Fourth Proportional to 2,810,661.45, 4,215,361.19 and 1,292,886.69

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Solution

The fourth proportional to 2,810,661.45, 4,215,361.19 and 1,292,886.69 is: 1,939,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,661.45 : 4,215,361.19 = 1,292,886.69 : x
  2. Step 2: Convert to fraction form
    2,810,661.45/4,215,361.19 = 1,292,886.69/x
  3. Step 3: Cross multiply
    2,810,661.45x = 4,215,361.19 × 1,292,886.69
  4. Step 4: Simplify right side
    2,810,661.45x = 5,449,984,369,629.13
  5. Step 5: Solve for x
    x = 5,449,984,369,629.13/2,810,661.45
  6. Step 6: Final answer
    x = 1,939,039.78

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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.