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Finding the Fourth Proportional to 1,888,886.94, 2,606,734.32 and 1,073,228.92

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Solution

The fourth proportional to 1,888,886.94, 2,606,734.32 and 1,073,228.92 is: 1,481,095.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,886.94 : 2,606,734.32 = 1,073,228.92 : x
  2. Step 2: Convert to fraction form
    1,888,886.94/2,606,734.32 = 1,073,228.92/x
  3. Step 3: Cross multiply
    1,888,886.94x = 2,606,734.32 × 1,073,228.92
  4. Step 4: Simplify right side
    1,888,886.94x = 2,797,622,658,980.53
  5. Step 5: Solve for x
    x = 2,797,622,658,980.53/1,888,886.94
  6. Step 6: Final answer
    x = 1,481,095.88

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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.