Home / 2,990,512.40-4,485,768.60-1,796,118.80

Finding the Fourth Proportional to 2,990,512.40, 4,485,768.60 and 1,796,118.80

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Solution

The fourth proportional to 2,990,512.40, 4,485,768.60 and 1,796,118.80 is: 2,694,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,512.40 : 4,485,768.60 = 1,796,118.80 : x
  2. Step 2: Convert to fraction form
    2,990,512.40/4,485,768.60 = 1,796,118.80/x
  3. Step 3: Cross multiply
    2,990,512.40x = 4,485,768.60 × 1,796,118.80
  4. Step 4: Simplify right side
    2,990,512.40x = 8,056,973,314,909.68
  5. Step 5: Solve for x
    x = 8,056,973,314,909.68/2,990,512.40
  6. Step 6: Final answer
    x = 2,694,178.20

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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.