Home / 5,418,628.77-8,122,253.49-1,823,147.43

Finding the Fourth Proportional to 5,418,628.77, 8,122,253.49 and 1,823,147.43

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Solution

The fourth proportional to 5,418,628.77, 8,122,253.49 and 1,823,147.43 is: 2,732,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,628.77 : 8,122,253.49 = 1,823,147.43 : x
  2. Step 2: Convert to fraction form
    5,418,628.77/8,122,253.49 = 1,823,147.43/x
  3. Step 3: Cross multiply
    5,418,628.77x = 8,122,253.49 × 1,823,147.43
  4. Step 4: Simplify right side
    5,418,628.77x = 14,808,065,576,102.03
  5. Step 5: Solve for x
    x = 14,808,065,576,102.03/5,418,628.77
  6. Step 6: Final answer
    x = 2,732,806.80

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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.