Home / 5,105,616.21-7,046,000.31-2,871,097.14

Finding the Fourth Proportional to 5,105,616.21, 7,046,000.31 and 2,871,097.14

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Solution

The fourth proportional to 5,105,616.21, 7,046,000.31 and 2,871,097.14 is: 3,962,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,616.21 : 7,046,000.31 = 2,871,097.14 : x
  2. Step 2: Convert to fraction form
    5,105,616.21/7,046,000.31 = 2,871,097.14/x
  3. Step 3: Cross multiply
    5,105,616.21x = 7,046,000.31 × 2,871,097.14
  4. Step 4: Simplify right side
    5,105,616.21x = 20,229,751,338,480.11
  5. Step 5: Solve for x
    x = 20,229,751,338,480.11/5,105,616.21
  6. Step 6: Final answer
    x = 3,962,254.60

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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.