Home / 2,871,233.90-4,307,434.05-978,166.70

Finding the Fourth Proportional to 2,871,233.90, 4,307,434.05 and 978,166.70

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Solution

The fourth proportional to 2,871,233.90, 4,307,434.05 and 978,166.70 is: 1,467,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,233.90 : 4,307,434.05 = 978,166.70 : x
  2. Step 2: Convert to fraction form
    2,871,233.90/4,307,434.05 = 978,166.70/x
  3. Step 3: Cross multiply
    2,871,233.90x = 4,307,434.05 × 978,166.70
  4. Step 4: Simplify right side
    2,871,233.90x = 4,213,388,550,156.14
  5. Step 5: Solve for x
    x = 4,213,388,550,156.14/2,871,233.90
  6. Step 6: Final answer
    x = 1,467,448.73

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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.