Home / 3,149,144.32-4,344,568.32-1,939,820.80

Finding the Fourth Proportional to 3,149,144.32, 4,344,568.32 and 1,939,820.80

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Solution

The fourth proportional to 3,149,144.32, 4,344,568.32 and 1,939,820.80 is: 2,676,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,144.32 : 4,344,568.32 = 1,939,820.80 : x
  2. Step 2: Convert to fraction form
    3,149,144.32/4,344,568.32 = 1,939,820.80/x
  3. Step 3: Cross multiply
    3,149,144.32x = 4,344,568.32 × 1,939,820.80
  4. Step 4: Simplify right side
    3,149,144.32x = 8,427,683,994,157.06
  5. Step 5: Solve for x
    x = 8,427,683,994,157.06/3,149,144.32
  6. Step 6: Final answer
    x = 2,676,182.21

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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.