Home / 2,172,692.64-2,996,232.96-1,301,388.12

Finding the Fourth Proportional to 2,172,692.64, 2,996,232.96 and 1,301,388.12

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Solution

The fourth proportional to 2,172,692.64, 2,996,232.96 and 1,301,388.12 is: 1,794,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,692.64 : 2,996,232.96 = 1,301,388.12 : x
  2. Step 2: Convert to fraction form
    2,172,692.64/2,996,232.96 = 1,301,388.12/x
  3. Step 3: Cross multiply
    2,172,692.64x = 2,996,232.96 × 1,301,388.12
  4. Step 4: Simplify right side
    2,172,692.64x = 3,899,261,978,896.44
  5. Step 5: Solve for x
    x = 3,899,261,978,896.44/2,172,692.64
  6. Step 6: Final answer
    x = 1,794,668.01

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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.