Home / 3,721,827-5,133,671.82-2,687,612.52

Finding the Fourth Proportional to 3,721,827, 5,133,671.82 and 2,687,612.52

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Solution

The fourth proportional to 3,721,827, 5,133,671.82 and 2,687,612.52 is: 3,707,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721,827 : 5,133,671.82 = 2,687,612.52 : x
  2. Step 2: Convert to fraction form
    3,721,827/5,133,671.82 = 2,687,612.52/x
  3. Step 3: Cross multiply
    3,721,827x = 5,133,671.82 × 2,687,612.52
  4. Step 4: Simplify right side
    3,721,827x = 13,797,320,657,003.19
  5. Step 5: Solve for x
    x = 13,797,320,657,003.19/3,721,827
  6. Step 6: Final answer
    x = 3,707,136.48

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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.