Home / 2,665,813.28-3,678,811.13-1,442,115.75

Finding the Fourth Proportional to 2,665,813.28, 3,678,811.13 and 1,442,115.75

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Solution

The fourth proportional to 2,665,813.28, 3,678,811.13 and 1,442,115.75 is: 1,990,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,813.28 : 3,678,811.13 = 1,442,115.75 : x
  2. Step 2: Convert to fraction form
    2,665,813.28/3,678,811.13 = 1,442,115.75/x
  3. Step 3: Cross multiply
    2,665,813.28x = 3,678,811.13 × 1,442,115.75
  4. Step 4: Simplify right side
    2,665,813.28x = 5,305,271,464,637.72
  5. Step 5: Solve for x
    x = 5,305,271,464,637.72/2,665,813.28
  6. Step 6: Final answer
    x = 1,990,113.68

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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.