Home / 2,128,276.90-3,192,415.35-1,008,532.90

Finding the Fourth Proportional to 2,128,276.90, 3,192,415.35 and 1,008,532.90

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Solution

The fourth proportional to 2,128,276.90, 3,192,415.35 and 1,008,532.90 is: 1,512,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,276.90 : 3,192,415.35 = 1,008,532.90 : x
  2. Step 2: Convert to fraction form
    2,128,276.90/3,192,415.35 = 1,008,532.90/x
  3. Step 3: Cross multiply
    2,128,276.90x = 3,192,415.35 × 1,008,532.90
  4. Step 4: Simplify right side
    2,128,276.90x = 3,219,655,910,940.02
  5. Step 5: Solve for x
    x = 3,219,655,910,940.02/2,128,276.90
  6. Step 6: Final answer
    x = 1,512,799.35

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Similar ratio
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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.