Home / 3,380,147.84-5,066,810.03-2,118,861.20

Finding the Fourth Proportional to 3,380,147.84, 5,066,810.03 and 2,118,861.20

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Solution

The fourth proportional to 3,380,147.84, 5,066,810.03 and 2,118,861.20 is: 3,176,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,147.84 : 5,066,810.03 = 2,118,861.20 : x
  2. Step 2: Convert to fraction form
    3,380,147.84/5,066,810.03 = 2,118,861.20/x
  3. Step 3: Cross multiply
    3,380,147.84x = 5,066,810.03 × 2,118,861.20
  4. Step 4: Simplify right side
    3,380,147.84x = 10,735,867,160,300.94
  5. Step 5: Solve for x
    x = 10,735,867,160,300.94/3,380,147.84
  6. Step 6: Final answer
    x = 3,176,153.14

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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.