Home / 3,818,664.70-5,727,867.45-978,804.70

Finding the Fourth Proportional to 3,818,664.70, 5,727,867.45 and 978,804.70

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Solution

The fourth proportional to 3,818,664.70, 5,727,867.45 and 978,804.70 is: 1,468,173.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,664.70 : 5,727,867.45 = 978,804.70 : x
  2. Step 2: Convert to fraction form
    3,818,664.70/5,727,867.45 = 978,804.70/x
  3. Step 3: Cross multiply
    3,818,664.70x = 5,727,867.45 × 978,804.70
  4. Step 4: Simplify right side
    3,818,664.70x = 5,606,463,581,037.01
  5. Step 5: Solve for x
    x = 5,606,463,581,037.01/3,818,664.70
  6. Step 6: Final answer
    x = 1,468,173.83

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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.