Home / 2,912,504.78-4,019,188.11-1,689,028.94

Finding the Fourth Proportional to 2,912,504.78, 4,019,188.11 and 1,689,028.94

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Solution

The fourth proportional to 2,912,504.78, 4,019,188.11 and 1,689,028.94 is: 2,330,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,504.78 : 4,019,188.11 = 1,689,028.94 : x
  2. Step 2: Convert to fraction form
    2,912,504.78/4,019,188.11 = 1,689,028.94/x
  3. Step 3: Cross multiply
    2,912,504.78x = 4,019,188.11 × 1,689,028.94
  4. Step 4: Simplify right side
    2,912,504.78x = 6,788,525,033,093.90
  5. Step 5: Solve for x
    x = 6,788,525,033,093.90/2,912,504.78
  6. Step 6: Final answer
    x = 2,330,820.22

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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.