Home / 5,251,886.56-7,871,203.14-2,817,001.09

Finding the Fourth Proportional to 5,251,886.56, 7,871,203.14 and 2,817,001.09

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Solution

The fourth proportional to 5,251,886.56, 7,871,203.14 and 2,817,001.09 is: 4,221,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,886.56 : 7,871,203.14 = 2,817,001.09 : x
  2. Step 2: Convert to fraction form
    5,251,886.56/7,871,203.14 = 2,817,001.09/x
  3. Step 3: Cross multiply
    5,251,886.56x = 7,871,203.14 × 2,817,001.09
  4. Step 4: Simplify right side
    5,251,886.56x = 22,173,187,824,991.42
  5. Step 5: Solve for x
    x = 22,173,187,824,991.42/5,251,886.56
  6. Step 6: Final answer
    x = 4,221,947.21

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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.