Home / 4,992,450.78-6,887,732.90-3,688,845.69

Finding the Fourth Proportional to 4,992,450.78, 6,887,732.90 and 3,688,845.69

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Solution

The fourth proportional to 4,992,450.78, 6,887,732.90 and 3,688,845.69 is: 5,089,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992,450.78 : 6,887,732.90 = 3,688,845.69 : x
  2. Step 2: Convert to fraction form
    4,992,450.78/6,887,732.90 = 3,688,845.69/x
  3. Step 3: Cross multiply
    4,992,450.78x = 6,887,732.90 × 3,688,845.69
  4. Step 4: Simplify right side
    4,992,450.78x = 25,407,783,803,591.97
  5. Step 5: Solve for x
    x = 25,407,783,803,591.97/4,992,450.78
  6. Step 6: Final answer
    x = 5,089,240.72

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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.