Home / 2,851,905.47-3,935,629.55-1,644,681.47

Finding the Fourth Proportional to 2,851,905.47, 3,935,629.55 and 1,644,681.47

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Solution

The fourth proportional to 2,851,905.47, 3,935,629.55 and 1,644,681.47 is: 2,269,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,905.47 : 3,935,629.55 = 1,644,681.47 : x
  2. Step 2: Convert to fraction form
    2,851,905.47/3,935,629.55 = 1,644,681.47/x
  3. Step 3: Cross multiply
    2,851,905.47x = 3,935,629.55 × 1,644,681.47
  4. Step 4: Simplify right side
    2,851,905.47x = 6,472,856,965,767.88
  5. Step 5: Solve for x
    x = 6,472,856,965,767.88/2,851,905.47
  6. Step 6: Final answer
    x = 2,269,660.42

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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.