Home / 3,884,664.30-5,360,640.22-2,142,636.78

Finding the Fourth Proportional to 3,884,664.30, 5,360,640.22 and 2,142,636.78

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Solution

The fourth proportional to 3,884,664.30, 5,360,640.22 and 2,142,636.78 is: 2,956,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,664.30 : 5,360,640.22 = 2,142,636.78 : x
  2. Step 2: Convert to fraction form
    3,884,664.30/5,360,640.22 = 2,142,636.78/x
  3. Step 3: Cross multiply
    3,884,664.30x = 5,360,640.22 × 2,142,636.78
  4. Step 4: Simplify right side
    3,884,664.30x = 11,485,904,922,499.99
  5. Step 5: Solve for x
    x = 11,485,904,922,499.99/3,884,664.30
  6. Step 6: Final answer
    x = 2,956,730.38

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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.