Home / 5,178,289.09-7,149,100.50-4,603,738.81

Finding the Fourth Proportional to 5,178,289.09, 7,149,100.50 and 4,603,738.81

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Solution

The fourth proportional to 5,178,289.09, 7,149,100.50 and 4,603,738.81 is: 6,355,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,289.09 : 7,149,100.50 = 4,603,738.81 : x
  2. Step 2: Convert to fraction form
    5,178,289.09/7,149,100.50 = 4,603,738.81/x
  3. Step 3: Cross multiply
    5,178,289.09x = 7,149,100.50 × 4,603,738.81
  4. Step 4: Simplify right side
    5,178,289.09x = 32,912,591,428,440.40
  5. Step 5: Solve for x
    x = 32,912,591,428,440.40/5,178,289.09
  6. Step 6: Final answer
    x = 6,355,881.42

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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.