Home / 2,285,840.66-3,428,761.05-769,396.61

Finding the Fourth Proportional to 2,285,840.66, 3,428,761.05 and 769,396.61

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Solution

The fourth proportional to 2,285,840.66, 3,428,761.05 and 769,396.61 is: 1,154,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,840.66 : 3,428,761.05 = 769,396.61 : x
  2. Step 2: Convert to fraction form
    2,285,840.66/3,428,761.05 = 769,396.61/x
  3. Step 3: Cross multiply
    2,285,840.66x = 3,428,761.05 × 769,396.61
  4. Step 4: Simplify right side
    2,285,840.66x = 2,638,077,128,370.04
  5. Step 5: Solve for x
    x = 2,638,077,128,370.04/2,285,840.66
  6. Step 6: Final answer
    x = 1,154,094.94

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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.