Home / 2,049,219.80-3,073,829.70-1,990,170.80

Finding the Fourth Proportional to 2,049,219.80, 3,073,829.70 and 1,990,170.80

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Solution

The fourth proportional to 2,049,219.80, 3,073,829.70 and 1,990,170.80 is: 2,985,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049,219.80 : 3,073,829.70 = 1,990,170.80 : x
  2. Step 2: Convert to fraction form
    2,049,219.80/3,073,829.70 = 1,990,170.80/x
  3. Step 3: Cross multiply
    2,049,219.80x = 3,073,829.70 × 1,990,170.80
  4. Step 4: Simplify right side
    2,049,219.80x = 6,117,446,113,112.76
  5. Step 5: Solve for x
    x = 6,117,446,113,112.76/2,049,219.80
  6. Step 6: Final answer
    x = 2,985,256.20

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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.