Home / 5,187,562.78-7,777,334.94-1,949,031.91

Finding the Fourth Proportional to 5,187,562.78, 7,777,334.94 and 1,949,031.91

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Solution

The fourth proportional to 5,187,562.78, 7,777,334.94 and 1,949,031.91 is: 2,922,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,562.78 : 7,777,334.94 = 1,949,031.91 : x
  2. Step 2: Convert to fraction form
    5,187,562.78/7,777,334.94 = 1,949,031.91/x
  3. Step 3: Cross multiply
    5,187,562.78x = 7,777,334.94 × 1,949,031.91
  4. Step 4: Simplify right side
    5,187,562.78x = 15,158,273,972,817.94
  5. Step 5: Solve for x
    x = 15,158,273,972,817.94/5,187,562.78
  6. Step 6: Final answer
    x = 2,922,041.55

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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.