Home / 2,213,336.80-3,320,005.20-2,120,024.80

Finding the Fourth Proportional to 2,213,336.80, 3,320,005.20 and 2,120,024.80

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Solution

The fourth proportional to 2,213,336.80, 3,320,005.20 and 2,120,024.80 is: 3,180,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,336.80 : 3,320,005.20 = 2,120,024.80 : x
  2. Step 2: Convert to fraction form
    2,213,336.80/3,320,005.20 = 2,120,024.80/x
  3. Step 3: Cross multiply
    2,213,336.80x = 3,320,005.20 × 2,120,024.80
  4. Step 4: Simplify right side
    2,213,336.80x = 7,038,493,360,128.96
  5. Step 5: Solve for x
    x = 7,038,493,360,128.96/2,213,336.80
  6. Step 6: Final answer
    x = 3,180,037.20

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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.