Home / 2,778,825.88-3,834,697.34-1,538,491.48

Finding the Fourth Proportional to 2,778,825.88, 3,834,697.34 and 1,538,491.48

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Solution

The fourth proportional to 2,778,825.88, 3,834,697.34 and 1,538,491.48 is: 2,123,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,825.88 : 3,834,697.34 = 1,538,491.48 : x
  2. Step 2: Convert to fraction form
    2,778,825.88/3,834,697.34 = 1,538,491.48/x
  3. Step 3: Cross multiply
    2,778,825.88x = 3,834,697.34 × 1,538,491.48
  4. Step 4: Simplify right side
    2,778,825.88x = 5,899,649,185,968.66
  5. Step 5: Solve for x
    x = 5,899,649,185,968.66/2,778,825.88
  6. Step 6: Final answer
    x = 2,123,072.64

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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.