Home / 2,871,788.80-4,307,683.20-978,073.60

Finding the Fourth Proportional to 2,871,788.80, 4,307,683.20 and 978,073.60

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Solution

The fourth proportional to 2,871,788.80, 4,307,683.20 and 978,073.60 is: 1,467,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,788.80 : 4,307,683.20 = 978,073.60 : x
  2. Step 2: Convert to fraction form
    2,871,788.80/4,307,683.20 = 978,073.60/x
  3. Step 3: Cross multiply
    2,871,788.80x = 4,307,683.20 × 978,073.60
  4. Step 4: Simplify right side
    2,871,788.80x = 4,213,231,215,083.52
  5. Step 5: Solve for x
    x = 4,213,231,215,083.52/2,871,788.80
  6. Step 6: Final answer
    x = 1,467,110.40

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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.