Home / 2,187,012.08-3,280,616.84-670,584.32

Finding the Fourth Proportional to 2,187,012.08, 3,280,616.84 and 670,584.32

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Solution

The fourth proportional to 2,187,012.08, 3,280,616.84 and 670,584.32 is: 1,005,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,012.08 : 3,280,616.84 = 670,584.32 : x
  2. Step 2: Convert to fraction form
    2,187,012.08/3,280,616.84 = 670,584.32/x
  3. Step 3: Cross multiply
    2,187,012.08x = 3,280,616.84 × 670,584.32
  4. Step 4: Simplify right side
    2,187,012.08x = 2,199,930,212,831.95
  5. Step 5: Solve for x
    x = 2,199,930,212,831.95/2,187,012.08
  6. Step 6: Final answer
    x = 1,005,906.75

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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.