Home / 2,200,543.20-3,300,814.80-1,920,607.20

Finding the Fourth Proportional to 2,200,543.20, 3,300,814.80 and 1,920,607.20

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Solution

The fourth proportional to 2,200,543.20, 3,300,814.80 and 1,920,607.20 is: 2,880,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,543.20 : 3,300,814.80 = 1,920,607.20 : x
  2. Step 2: Convert to fraction form
    2,200,543.20/3,300,814.80 = 1,920,607.20/x
  3. Step 3: Cross multiply
    2,200,543.20x = 3,300,814.80 × 1,920,607.20
  4. Step 4: Simplify right side
    2,200,543.20x = 6,339,568,670,746.56
  5. Step 5: Solve for x
    x = 6,339,568,670,746.56/2,200,543.20
  6. Step 6: Final answer
    x = 2,880,910.80

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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.