Home / 2,681,846.20-4,019,658.90-1,083,359.80

Finding the Fourth Proportional to 2,681,846.20, 4,019,658.90 and 1,083,359.80

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Solution

The fourth proportional to 2,681,846.20, 4,019,658.90 and 1,083,359.80 is: 1,623,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,846.20 : 4,019,658.90 = 1,083,359.80 : x
  2. Step 2: Convert to fraction form
    2,681,846.20/4,019,658.90 = 1,083,359.80/x
  3. Step 3: Cross multiply
    2,681,846.20x = 4,019,658.90 × 1,083,359.80
  4. Step 4: Simplify right side
    2,681,846.20x = 4,354,736,861,972.22
  5. Step 5: Solve for x
    x = 4,354,736,861,972.22/2,681,846.20
  6. Step 6: Final answer
    x = 1,623,783.22

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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.