Home / 5,251,913.82-7,871,244.06-2,817,028.34

Finding the Fourth Proportional to 5,251,913.82, 7,871,244.06 and 2,817,028.34

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Solution

The fourth proportional to 5,251,913.82, 7,871,244.06 and 2,817,028.34 is: 4,221,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,913.82 : 7,871,244.06 = 2,817,028.34 : x
  2. Step 2: Convert to fraction form
    5,251,913.82/7,871,244.06 = 2,817,028.34/x
  3. Step 3: Cross multiply
    5,251,913.82x = 7,871,244.06 × 2,817,028.34
  4. Step 4: Simplify right side
    5,251,913.82x = 22,173,517,588,076.66
  5. Step 5: Solve for x
    x = 22,173,517,588,076.66/5,251,913.82
  6. Step 6: Final answer
    x = 4,221,988.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.