Home / 2,200,198.20-3,299,467.80-920,894.28

Finding the Fourth Proportional to 2,200,198.20, 3,299,467.80 and 920,894.28

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Solution

The fourth proportional to 2,200,198.20, 3,299,467.80 and 920,894.28 is: 1,380,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,198.20 : 3,299,467.80 = 920,894.28 : x
  2. Step 2: Convert to fraction form
    2,200,198.20/3,299,467.80 = 920,894.28/x
  3. Step 3: Cross multiply
    2,200,198.20x = 3,299,467.80 × 920,894.28
  4. Step 4: Simplify right side
    2,200,198.20x = 3,038,461,024,064.18
  5. Step 5: Solve for x
    x = 3,038,461,024,064.18/2,200,198.20
  6. Step 6: Final answer
    x = 1,380,994.23

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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.