Home / 2,980,163.09-4,112,712.96-2,110,553.57

Finding the Fourth Proportional to 2,980,163.09, 4,112,712.96 and 2,110,553.57

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Solution

The fourth proportional to 2,980,163.09, 4,112,712.96 and 2,110,553.57 is: 2,912,626.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,163.09 : 4,112,712.96 = 2,110,553.57 : x
  2. Step 2: Convert to fraction form
    2,980,163.09/4,112,712.96 = 2,110,553.57/x
  3. Step 3: Cross multiply
    2,980,163.09x = 4,112,712.96 × 2,110,553.57
  4. Step 4: Simplify right side
    2,980,163.09x = 8,680,101,020,113.27
  5. Step 5: Solve for x
    x = 8,680,101,020,113.27/2,980,163.09
  6. Step 6: Final answer
    x = 2,912,626.17

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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.