Home / 3,879,361.87-5,353,685.48-2,160,482.38

Finding the Fourth Proportional to 3,879,361.87, 5,353,685.48 and 2,160,482.38

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Solution

The fourth proportional to 3,879,361.87, 5,353,685.48 and 2,160,482.38 is: 2,981,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,361.87 : 5,353,685.48 = 2,160,482.38 : x
  2. Step 2: Convert to fraction form
    3,879,361.87/5,353,685.48 = 2,160,482.38/x
  3. Step 3: Cross multiply
    3,879,361.87x = 5,353,685.48 × 2,160,482.38
  4. Step 4: Simplify right side
    3,879,361.87x = 11,566,543,136,799.43
  5. Step 5: Solve for x
    x = 11,566,543,136,799.43/3,879,361.87
  6. Step 6: Final answer
    x = 2,981,558.19

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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.