Home / 1,905,338.68-2,629,269.44-1,131,002.16

Finding the Fourth Proportional to 1,905,338.68, 2,629,269.44 and 1,131,002.16

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Solution

The fourth proportional to 1,905,338.68, 2,629,269.44 and 1,131,002.16 is: 1,560,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,338.68 : 2,629,269.44 = 1,131,002.16 : x
  2. Step 2: Convert to fraction form
    1,905,338.68/2,629,269.44 = 1,131,002.16/x
  3. Step 3: Cross multiply
    1,905,338.68x = 2,629,269.44 × 1,131,002.16
  4. Step 4: Simplify right side
    1,905,338.68x = 2,973,709,415,861.99
  5. Step 5: Solve for x
    x = 2,973,709,415,861.99/1,905,338.68
  6. Step 6: Final answer
    x = 1,560,724.84

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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.