Home / 3,928,670.61-5,882,056.79-2,005,444.68

Finding the Fourth Proportional to 3,928,670.61, 5,882,056.79 and 2,005,444.68

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Solution

The fourth proportional to 3,928,670.61, 5,882,056.79 and 2,005,444.68 is: 3,002,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,670.61 : 5,882,056.79 = 2,005,444.68 : x
  2. Step 2: Convert to fraction form
    3,928,670.61/5,882,056.79 = 2,005,444.68/x
  3. Step 3: Cross multiply
    3,928,670.61x = 5,882,056.79 × 2,005,444.68
  4. Step 4: Simplify right side
    3,928,670.61x = 11,796,139,464,878.44
  5. Step 5: Solve for x
    x = 11,796,139,464,878.44/3,928,670.61
  6. Step 6: Final answer
    x = 3,002,577.88

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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.