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Finding the Fourth Proportional to 2,718,917.28, 3,752,202.12 and 1,495,317.51

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Solution

The fourth proportional to 2,718,917.28, 3,752,202.12 and 1,495,317.51 is: 2,063,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,917.28 : 3,752,202.12 = 1,495,317.51 : x
  2. Step 2: Convert to fraction form
    2,718,917.28/3,752,202.12 = 1,495,317.51/x
  3. Step 3: Cross multiply
    2,718,917.28x = 3,752,202.12 × 1,495,317.51
  4. Step 4: Simplify right side
    2,718,917.28x = 5,610,733,531,095.12
  5. Step 5: Solve for x
    x = 5,610,733,531,095.12/2,718,917.28
  6. Step 6: Final answer
    x = 2,063,591.11

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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.