Home / 3,374,405.40-5,061,608.10-978,328.20

Finding the Fourth Proportional to 3,374,405.40, 5,061,608.10 and 978,328.20

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Solution

The fourth proportional to 3,374,405.40, 5,061,608.10 and 978,328.20 is: 1,467,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374,405.40 : 5,061,608.10 = 978,328.20 : x
  2. Step 2: Convert to fraction form
    3,374,405.40/5,061,608.10 = 978,328.20/x
  3. Step 3: Cross multiply
    3,374,405.40x = 5,061,608.10 × 978,328.20
  4. Step 4: Simplify right side
    3,374,405.40x = 4,951,913,941,578.42
  5. Step 5: Solve for x
    x = 4,951,913,941,578.42/3,374,405.40
  6. Step 6: Final answer
    x = 1,467,492.30

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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.