Home / 5,150,941.88-7,726,222.13-2,078,261.55

Finding the Fourth Proportional to 5,150,941.88, 7,726,222.13 and 2,078,261.55

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Solution

The fourth proportional to 5,150,941.88, 7,726,222.13 and 2,078,261.55 is: 3,117,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150,941.88 : 7,726,222.13 = 2,078,261.55 : x
  2. Step 2: Convert to fraction form
    5,150,941.88/7,726,222.13 = 2,078,261.55/x
  3. Step 3: Cross multiply
    5,150,941.88x = 7,726,222.13 × 2,078,261.55
  4. Step 4: Simplify right side
    5,150,941.88x = 16,057,110,369,146.79
  5. Step 5: Solve for x
    x = 16,057,110,369,146.79/5,150,941.88
  6. Step 6: Final answer
    x = 3,117,315.39

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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.