Home / 5,383,728.12-8,075,592.18-2,188,105.59

Finding the Fourth Proportional to 5,383,728.12, 8,075,592.18 and 2,188,105.59

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Solution

The fourth proportional to 5,383,728.12, 8,075,592.18 and 2,188,105.59 is: 3,282,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383,728.12 : 8,075,592.18 = 2,188,105.59 : x
  2. Step 2: Convert to fraction form
    5,383,728.12/8,075,592.18 = 2,188,105.59/x
  3. Step 3: Cross multiply
    5,383,728.12x = 8,075,592.18 × 2,188,105.59
  4. Step 4: Simplify right side
    5,383,728.12x = 17,670,248,391,618.29
  5. Step 5: Solve for x
    x = 17,670,248,391,618.29/5,383,728.12
  6. Step 6: Final answer
    x = 3,282,158.39

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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.