Home / 4,818,145.89-7,220,797.09-2,543,135.48

Finding the Fourth Proportional to 4,818,145.89, 7,220,797.09 and 2,543,135.48

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Solution

The fourth proportional to 4,818,145.89, 7,220,797.09 and 2,543,135.48 is: 3,811,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818,145.89 : 7,220,797.09 = 2,543,135.48 : x
  2. Step 2: Convert to fraction form
    4,818,145.89/7,220,797.09 = 2,543,135.48/x
  3. Step 3: Cross multiply
    4,818,145.89x = 7,220,797.09 × 2,543,135.48
  4. Step 4: Simplify right side
    4,818,145.89x = 18,363,465,230,997.93
  5. Step 5: Solve for x
    x = 18,363,465,230,997.93/4,818,145.89
  6. Step 6: Final answer
    x = 3,811,313.66

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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.