Home / 3,401,861.60-5,100,949.20-1,407,519.20

Finding the Fourth Proportional to 3,401,861.60, 5,100,949.20 and 1,407,519.20

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Solution

The fourth proportional to 3,401,861.60, 5,100,949.20 and 1,407,519.20 is: 2,110,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401,861.60 : 5,100,949.20 = 1,407,519.20 : x
  2. Step 2: Convert to fraction form
    3,401,861.60/5,100,949.20 = 1,407,519.20/x
  3. Step 3: Cross multiply
    3,401,861.60x = 5,100,949.20 × 1,407,519.20
  4. Step 4: Simplify right side
    3,401,861.60x = 7,179,683,937,224.64
  5. Step 5: Solve for x
    x = 7,179,683,937,224.64/3,401,861.60
  6. Step 6: Final answer
    x = 2,110,516.18

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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.