Home / 1,684,678.68-2,318,998.14-1,469,443.86

Finding the Fourth Proportional to 1,684,678.68, 2,318,998.14 and 1,469,443.86

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Solution

The fourth proportional to 1,684,678.68, 2,318,998.14 and 1,469,443.86 is: 2,022,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,678.68 : 2,318,998.14 = 1,469,443.86 : x
  2. Step 2: Convert to fraction form
    1,684,678.68/2,318,998.14 = 1,469,443.86/x
  3. Step 3: Cross multiply
    1,684,678.68x = 2,318,998.14 × 1,469,443.86
  4. Step 4: Simplify right side
    1,684,678.68x = 3,407,637,578,174.42
  5. Step 5: Solve for x
    x = 3,407,637,578,174.42/1,684,678.68
  6. Step 6: Final answer
    x = 2,022,722.56

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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.