Home / 2,660,477.70-3,990,716.55-2,618,487.30

Finding the Fourth Proportional to 2,660,477.70, 3,990,716.55 and 2,618,487.30

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Solution

The fourth proportional to 2,660,477.70, 3,990,716.55 and 2,618,487.30 is: 3,927,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,477.70 : 3,990,716.55 = 2,618,487.30 : x
  2. Step 2: Convert to fraction form
    2,660,477.70/3,990,716.55 = 2,618,487.30/x
  3. Step 3: Cross multiply
    2,660,477.70x = 3,990,716.55 × 2,618,487.30
  4. Step 4: Simplify right side
    2,660,477.70x = 10,449,640,604,074.81
  5. Step 5: Solve for x
    x = 10,449,640,604,074.81/2,660,477.70
  6. Step 6: Final answer
    x = 3,927,730.95

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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.