Home / 3,918,319.72-5,875,216.67-1,519,361.75

Finding the Fourth Proportional to 3,918,319.72, 5,875,216.67 and 1,519,361.75

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Solution

The fourth proportional to 3,918,319.72, 5,875,216.67 and 1,519,361.75 is: 2,278,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,319.72 : 5,875,216.67 = 1,519,361.75 : x
  2. Step 2: Convert to fraction form
    3,918,319.72/5,875,216.67 = 1,519,361.75/x
  3. Step 3: Cross multiply
    3,918,319.72x = 5,875,216.67 × 1,519,361.75
  4. Step 4: Simplify right side
    3,918,319.72x = 8,926,579,499,846.82
  5. Step 5: Solve for x
    x = 8,926,579,499,846.82/3,918,319.72
  6. Step 6: Final answer
    x = 2,278,165.17

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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.