Home / 4,128,855.73-5,699,891.84-2,580,978.43

Finding the Fourth Proportional to 4,128,855.73, 5,699,891.84 and 2,580,978.43

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Solution

The fourth proportional to 4,128,855.73, 5,699,891.84 and 2,580,978.43 is: 3,563,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,855.73 : 5,699,891.84 = 2,580,978.43 : x
  2. Step 2: Convert to fraction form
    4,128,855.73/5,699,891.84 = 2,580,978.43/x
  3. Step 3: Cross multiply
    4,128,855.73x = 5,699,891.84 × 2,580,978.43
  4. Step 4: Simplify right side
    4,128,855.73x = 14,711,297,886,592.98
  5. Step 5: Solve for x
    x = 14,711,297,886,592.98/4,128,855.73
  6. Step 6: Final answer
    x = 3,563,044.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.