Home / 1,942,115.52-2,909,328.48-916,040.64

Finding the Fourth Proportional to 1,942,115.52, 2,909,328.48 and 916,040.64

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Solution

The fourth proportional to 1,942,115.52, 2,909,328.48 and 916,040.64 is: 1,372,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,115.52 : 2,909,328.48 = 916,040.64 : x
  2. Step 2: Convert to fraction form
    1,942,115.52/2,909,328.48 = 916,040.64/x
  3. Step 3: Cross multiply
    1,942,115.52x = 2,909,328.48 × 916,040.64
  4. Step 4: Simplify right side
    1,942,115.52x = 2,665,063,122,789.43
  5. Step 5: Solve for x
    x = 2,665,063,122,789.43/1,942,115.52
  6. Step 6: Final answer
    x = 1,372,247.48

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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.