Home / 3,374,420.40-5,061,630.60-978,343.20

Finding the Fourth Proportional to 3,374,420.40, 5,061,630.60 and 978,343.20

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Solution

The fourth proportional to 3,374,420.40, 5,061,630.60 and 978,343.20 is: 1,467,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374,420.40 : 5,061,630.60 = 978,343.20 : x
  2. Step 2: Convert to fraction form
    3,374,420.40/5,061,630.60 = 978,343.20/x
  3. Step 3: Cross multiply
    3,374,420.40x = 5,061,630.60 × 978,343.20
  4. Step 4: Simplify right side
    3,374,420.40x = 4,952,011,878,421.92
  5. Step 5: Solve for x
    x = 4,952,011,878,421.92/3,374,420.40
  6. Step 6: Final answer
    x = 1,467,514.80

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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.