Home / 3,380,148.21-5,066,810.60-2,118,861.57

Finding the Fourth Proportional to 3,380,148.21, 5,066,810.60 and 2,118,861.57

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Solution

The fourth proportional to 3,380,148.21, 5,066,810.60 and 2,118,861.57 is: 3,176,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,148.21 : 5,066,810.60 = 2,118,861.57 : x
  2. Step 2: Convert to fraction form
    3,380,148.21/5,066,810.60 = 2,118,861.57/x
  3. Step 3: Cross multiply
    3,380,148.21x = 5,066,810.60 × 2,118,861.57
  4. Step 4: Simplify right side
    3,380,148.21x = 10,735,870,252,214.33
  5. Step 5: Solve for x
    x = 10,735,870,252,214.33/3,380,148.21
  6. Step 6: Final answer
    x = 3,176,153.70

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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.