Home / 2,970,469.45-4,099,141.77-1,681,282.15

Finding the Fourth Proportional to 2,970,469.45, 4,099,141.77 and 1,681,282.15

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Solution

The fourth proportional to 2,970,469.45, 4,099,141.77 and 1,681,282.15 is: 2,320,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,469.45 : 4,099,141.77 = 1,681,282.15 : x
  2. Step 2: Convert to fraction form
    2,970,469.45/4,099,141.77 = 1,681,282.15/x
  3. Step 3: Cross multiply
    2,970,469.45x = 4,099,141.77 × 1,681,282.15
  4. Step 4: Simplify right side
    2,970,469.45x = 6,891,813,888,220.41
  5. Step 5: Solve for x
    x = 6,891,813,888,220.41/2,970,469.45
  6. Step 6: Final answer
    x = 2,320,109.33

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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.