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Finding the Fourth Proportional to 2,796,788.16, 3,859,682.88 and 1,573,150.80

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Solution

The fourth proportional to 2,796,788.16, 3,859,682.88 and 1,573,150.80 is: 2,171,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796,788.16 : 3,859,682.88 = 1,573,150.80 : x
  2. Step 2: Convert to fraction form
    2,796,788.16/3,859,682.88 = 1,573,150.80/x
  3. Step 3: Cross multiply
    2,796,788.16x = 3,859,682.88 × 1,573,150.80
  4. Step 4: Simplify right side
    2,796,788.16x = 6,071,863,210,418.30
  5. Step 5: Solve for x
    x = 6,071,863,210,418.30/2,796,788.16
  6. Step 6: Final answer
    x = 2,171,012.91

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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.