Home / 3,867,681.51-5,330,644.38-2,832,991.02

Finding the Fourth Proportional to 3,867,681.51, 5,330,644.38 and 2,832,991.02

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Solution

The fourth proportional to 3,867,681.51, 5,330,644.38 and 2,832,991.02 is: 3,904,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,681.51 : 5,330,644.38 = 2,832,991.02 : x
  2. Step 2: Convert to fraction form
    3,867,681.51/5,330,644.38 = 2,832,991.02/x
  3. Step 3: Cross multiply
    3,867,681.51x = 5,330,644.38 × 2,832,991.02
  4. Step 4: Simplify right side
    3,867,681.51x = 15,101,667,659,353.47
  5. Step 5: Solve for x
    x = 15,101,667,659,353.47/3,867,681.51
  6. Step 6: Final answer
    x = 3,904,578.91

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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.