Home / 2,666,438.52-3,679,682.77-1,505,129.22

Finding the Fourth Proportional to 2,666,438.52, 3,679,682.77 and 1,505,129.22

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Solution

The fourth proportional to 2,666,438.52, 3,679,682.77 and 1,505,129.22 is: 2,077,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,438.52 : 3,679,682.77 = 1,505,129.22 : x
  2. Step 2: Convert to fraction form
    2,666,438.52/3,679,682.77 = 1,505,129.22/x
  3. Step 3: Cross multiply
    2,666,438.52x = 3,679,682.77 × 1,505,129.22
  4. Step 4: Simplify right side
    2,666,438.52x = 5,538,398,059,338.95
  5. Step 5: Solve for x
    x = 5,538,398,059,338.95/2,666,438.52
  6. Step 6: Final answer
    x = 2,077,076.98

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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.