Home / 2,666,438.39-3,679,682.60-1,505,129.10

Finding the Fourth Proportional to 2,666,438.39, 3,679,682.60 and 1,505,129.10

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Solution

The fourth proportional to 2,666,438.39, 3,679,682.60 and 1,505,129.10 is: 2,077,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,438.39 : 3,679,682.60 = 1,505,129.10 : x
  2. Step 2: Convert to fraction form
    2,666,438.39/3,679,682.60 = 1,505,129.10/x
  3. Step 3: Cross multiply
    2,666,438.39x = 3,679,682.60 × 1,505,129.10
  4. Step 4: Simplify right side
    2,666,438.39x = 5,538,397,360,023.66
  5. Step 5: Solve for x
    x = 5,538,397,360,023.66/2,666,438.39
  6. Step 6: Final answer
    x = 2,077,076.82

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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.