Home / 1,942,280.12-2,913,507.66-1,407,252.44

Finding the Fourth Proportional to 1,942,280.12, 2,913,507.66 and 1,407,252.44

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Solution

The fourth proportional to 1,942,280.12, 2,913,507.66 and 1,407,252.44 is: 2,110,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,280.12 : 2,913,507.66 = 1,407,252.44 : x
  2. Step 2: Convert to fraction form
    1,942,280.12/2,913,507.66 = 1,407,252.44/x
  3. Step 3: Cross multiply
    1,942,280.12x = 2,913,507.66 × 1,407,252.44
  4. Step 4: Simplify right side
    1,942,280.12x = 4,100,040,763,493.69
  5. Step 5: Solve for x
    x = 4,100,040,763,493.69/1,942,280.12
  6. Step 6: Final answer
    x = 2,110,942.04

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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.