Home / 2,414,111.20-3,621,166.80-1,215,570.40

Finding the Fourth Proportional to 2,414,111.20, 3,621,166.80 and 1,215,570.40

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Solution

The fourth proportional to 2,414,111.20, 3,621,166.80 and 1,215,570.40 is: 1,823,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414,111.20 : 3,621,166.80 = 1,215,570.40 : x
  2. Step 2: Convert to fraction form
    2,414,111.20/3,621,166.80 = 1,215,570.40/x
  3. Step 3: Cross multiply
    2,414,111.20x = 3,621,166.80 × 1,215,570.40
  4. Step 4: Simplify right side
    2,414,111.20x = 4,401,783,175,542.72
  5. Step 5: Solve for x
    x = 4,401,783,175,542.72/2,414,111.20
  6. Step 6: Final answer
    x = 1,823,355.60

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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.