Home / 3,128,717.54-4,317,006.17-1,904,202.88

Finding the Fourth Proportional to 3,128,717.54, 4,317,006.17 and 1,904,202.88

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Solution

The fourth proportional to 3,128,717.54, 4,317,006.17 and 1,904,202.88 is: 2,627,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,717.54 : 4,317,006.17 = 1,904,202.88 : x
  2. Step 2: Convert to fraction form
    3,128,717.54/4,317,006.17 = 1,904,202.88/x
  3. Step 3: Cross multiply
    3,128,717.54x = 4,317,006.17 × 1,904,202.88
  4. Step 4: Simplify right side
    3,128,717.54x = 8,220,455,575,859.76
  5. Step 5: Solve for x
    x = 8,220,455,575,859.76/3,128,717.54
  6. Step 6: Final answer
    x = 2,627,420.17

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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.