Home / 3,942,690.68-5,913,144.12-1,810,725.32

Finding the Fourth Proportional to 3,942,690.68, 5,913,144.12 and 1,810,725.32

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Solution

The fourth proportional to 3,942,690.68, 5,913,144.12 and 1,810,725.32 is: 2,715,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,690.68 : 5,913,144.12 = 1,810,725.32 : x
  2. Step 2: Convert to fraction form
    3,942,690.68/5,913,144.12 = 1,810,725.32/x
  3. Step 3: Cross multiply
    3,942,690.68x = 5,913,144.12 × 1,810,725.32
  4. Step 4: Simplify right side
    3,942,690.68x = 10,707,079,778,893.12
  5. Step 5: Solve for x
    x = 10,707,079,778,893.12/3,942,690.68
  6. Step 6: Final answer
    x = 2,715,678.36

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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.