Home / 2,144,313.47-2,959,419.14-1,226,415.30

Finding the Fourth Proportional to 2,144,313.47, 2,959,419.14 and 1,226,415.30

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Solution

The fourth proportional to 2,144,313.47, 2,959,419.14 and 1,226,415.30 is: 1,692,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,313.47 : 2,959,419.14 = 1,226,415.30 : x
  2. Step 2: Convert to fraction form
    2,144,313.47/2,959,419.14 = 1,226,415.30/x
  3. Step 3: Cross multiply
    2,144,313.47x = 2,959,419.14 × 1,226,415.30
  4. Step 4: Simplify right side
    2,144,313.47x = 3,629,476,899,778.00
  5. Step 5: Solve for x
    x = 3,629,476,899,778.00/2,144,313.47
  6. Step 6: Final answer
    x = 1,692,605.56

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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.