Home / 2,997,290.75-4,136,359.65-1,639,163.75

Finding the Fourth Proportional to 2,997,290.75, 4,136,359.65 and 1,639,163.75

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Solution

The fourth proportional to 2,997,290.75, 4,136,359.65 and 1,639,163.75 is: 2,262,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,290.75 : 4,136,359.65 = 1,639,163.75 : x
  2. Step 2: Convert to fraction form
    2,997,290.75/4,136,359.65 = 1,639,163.75/x
  3. Step 3: Cross multiply
    2,997,290.75x = 4,136,359.65 × 1,639,163.75
  4. Step 4: Simplify right side
    2,997,290.75x = 6,780,170,795,242.69
  5. Step 5: Solve for x
    x = 6,780,170,795,242.69/2,997,290.75
  6. Step 6: Final answer
    x = 2,262,099.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.