Home / 1,904,218.20-2,627,820.90-1,088,439.30

Finding the Fourth Proportional to 1,904,218.20, 2,627,820.90 and 1,088,439.30

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Solution

The fourth proportional to 1,904,218.20, 2,627,820.90 and 1,088,439.30 is: 1,502,046.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,218.20 : 2,627,820.90 = 1,088,439.30 : x
  2. Step 2: Convert to fraction form
    1,904,218.20/2,627,820.90 = 1,088,439.30/x
  3. Step 3: Cross multiply
    1,904,218.20x = 2,627,820.90 × 1,088,439.30
  4. Step 4: Simplify right side
    1,904,218.20x = 2,860,223,540,921.37
  5. Step 5: Solve for x
    x = 2,860,223,540,921.37/1,904,218.20
  6. Step 6: Final answer
    x = 1,502,046.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.