Home / 3,143,923.73-4,715,879.71-985,114.11

Finding the Fourth Proportional to 3,143,923.73, 4,715,879.71 and 985,114.11

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Solution

The fourth proportional to 3,143,923.73, 4,715,879.71 and 985,114.11 is: 1,477,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,923.73 : 4,715,879.71 = 985,114.11 : x
  2. Step 2: Convert to fraction form
    3,143,923.73/4,715,879.71 = 985,114.11/x
  3. Step 3: Cross multiply
    3,143,923.73x = 4,715,879.71 × 985,114.11
  4. Step 4: Simplify right side
    3,143,923.73x = 4,645,679,643,383.71
  5. Step 5: Solve for x
    x = 4,645,679,643,383.71/3,143,923.73
  6. Step 6: Final answer
    x = 1,477,669.32

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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.