Home / 3,143,923.76-4,715,879.75-985,114.14

Finding the Fourth Proportional to 3,143,923.76, 4,715,879.75 and 985,114.14

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Solution

The fourth proportional to 3,143,923.76, 4,715,879.75 and 985,114.14 is: 1,477,669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,923.76 : 4,715,879.75 = 985,114.14 : x
  2. Step 2: Convert to fraction form
    3,143,923.76/4,715,879.75 = 985,114.14/x
  3. Step 3: Cross multiply
    3,143,923.76x = 4,715,879.75 × 985,114.14
  4. Step 4: Simplify right side
    3,143,923.76x = 4,645,679,824,264.67
  5. Step 5: Solve for x
    x = 4,645,679,824,264.67/3,143,923.76
  6. Step 6: Final answer
    x = 1,477,669.36

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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.