Home / 1,821,172.05-2,731,758.08-874,314.45

Finding the Fourth Proportional to 1,821,172.05, 2,731,758.08 and 874,314.45

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Solution

The fourth proportional to 1,821,172.05, 2,731,758.08 and 874,314.45 is: 1,311,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,172.05 : 2,731,758.08 = 874,314.45 : x
  2. Step 2: Convert to fraction form
    1,821,172.05/2,731,758.08 = 874,314.45/x
  3. Step 3: Cross multiply
    1,821,172.05x = 2,731,758.08 × 874,314.45
  4. Step 4: Simplify right side
    1,821,172.05x = 2,388,415,558,876.68
  5. Step 5: Solve for x
    x = 2,388,415,558,876.68/1,821,172.05
  6. Step 6: Final answer
    x = 1,311,471.68

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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.