Home / 6,441,306.78-8,889,021.72-3,688,036.41

Finding the Fourth Proportional to 6,441,306.78, 8,889,021.72 and 3,688,036.41

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Solution

The fourth proportional to 6,441,306.78, 8,889,021.72 and 3,688,036.41 is: 5,089,500.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441,306.78 : 8,889,021.72 = 3,688,036.41 : x
  2. Step 2: Convert to fraction form
    6,441,306.78/8,889,021.72 = 3,688,036.41/x
  3. Step 3: Cross multiply
    6,441,306.78x = 8,889,021.72 × 3,688,036.41
  4. Step 4: Simplify right side
    6,441,306.78x = 32,783,035,752,640.83
  5. Step 5: Solve for x
    x = 32,783,035,752,640.83/6,441,306.78
  6. Step 6: Final answer
    x = 5,089,500.76

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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.