Home / 5,315,087.30-7,973,797.35-1,721,020.10

Finding the Fourth Proportional to 5,315,087.30, 7,973,797.35 and 1,721,020.10

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Solution

The fourth proportional to 5,315,087.30, 7,973,797.35 and 1,721,020.10 is: 2,581,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,087.30 : 7,973,797.35 = 1,721,020.10 : x
  2. Step 2: Convert to fraction form
    5,315,087.30/7,973,797.35 = 1,721,020.10/x
  3. Step 3: Cross multiply
    5,315,087.30x = 7,973,797.35 × 1,721,020.10
  4. Step 4: Simplify right side
    5,315,087.30x = 13,723,065,512,676.73
  5. Step 5: Solve for x
    x = 13,723,065,512,676.73/5,315,087.30
  6. Step 6: Final answer
    x = 2,581,907.83

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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.