Home / 1,401,861.60-2,103,310.80-1,350,021.60

Finding the Fourth Proportional to 1,401,861.60, 2,103,310.80 and 1,350,021.60

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Solution

The fourth proportional to 1,401,861.60, 2,103,310.80 and 1,350,021.60 is: 2,025,531.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,861.60 : 2,103,310.80 = 1,350,021.60 : x
  2. Step 2: Convert to fraction form
    1,401,861.60/2,103,310.80 = 1,350,021.60/x
  3. Step 3: Cross multiply
    1,401,861.60x = 2,103,310.80 × 1,350,021.60
  4. Step 4: Simplify right side
    1,401,861.60x = 2,839,515,011,513.28
  5. Step 5: Solve for x
    x = 2,839,515,011,513.28/1,401,861.60
  6. Step 6: Final answer
    x = 2,025,531.63

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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.