Home / 2,990,517.80-4,485,776.70-1,396,194.80

Finding the Fourth Proportional to 2,990,517.80, 4,485,776.70 and 1,396,194.80

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Solution

The fourth proportional to 2,990,517.80, 4,485,776.70 and 1,396,194.80 is: 2,094,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,517.80 : 4,485,776.70 = 1,396,194.80 : x
  2. Step 2: Convert to fraction form
    2,990,517.80/4,485,776.70 = 1,396,194.80/x
  3. Step 3: Cross multiply
    2,990,517.80x = 4,485,776.70 × 1,396,194.80
  4. Step 4: Simplify right side
    2,990,517.80x = 6,263,018,102,501.16
  5. Step 5: Solve for x
    x = 6,263,018,102,501.16/2,990,517.80
  6. Step 6: Final answer
    x = 2,094,292.20

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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.