Home / 2,685,755.20-4,028,632.80-1,491,361.60

Finding the Fourth Proportional to 2,685,755.20, 4,028,632.80 and 1,491,361.60

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Solution

The fourth proportional to 2,685,755.20, 4,028,632.80 and 1,491,361.60 is: 2,237,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,755.20 : 4,028,632.80 = 1,491,361.60 : x
  2. Step 2: Convert to fraction form
    2,685,755.20/4,028,632.80 = 1,491,361.60/x
  3. Step 3: Cross multiply
    2,685,755.20x = 4,028,632.80 × 1,491,361.60
  4. Step 4: Simplify right side
    2,685,755.20x = 6,008,148,258,420.48
  5. Step 5: Solve for x
    x = 6,008,148,258,420.48/2,685,755.20
  6. Step 6: Final answer
    x = 2,237,042.40

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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.