Home / 2,982,612.80-4,477,418.40-2,961,617.60

Finding the Fourth Proportional to 2,982,612.80, 4,477,418.40 and 2,961,617.60

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Solution

The fourth proportional to 2,982,612.80, 4,477,418.40 and 2,961,617.60 is: 4,445,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,612.80 : 4,477,418.40 = 2,961,617.60 : x
  2. Step 2: Convert to fraction form
    2,982,612.80/4,477,418.40 = 2,961,617.60/x
  3. Step 3: Cross multiply
    2,982,612.80x = 4,477,418.40 × 2,961,617.60
  4. Step 4: Simplify right side
    2,982,612.80x = 13,260,401,136,003.84
  5. Step 5: Solve for x
    x = 13,260,401,136,003.84/2,982,612.80
  6. Step 6: Final answer
    x = 4,445,900.97

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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.