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Finding the Fourth Proportional to 1,892,577.02, 2,838,865.64 and 1,511,714.55

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Solution

The fourth proportional to 1,892,577.02, 2,838,865.64 and 1,511,714.55 is: 2,267,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,577.02 : 2,838,865.64 = 1,511,714.55 : x
  2. Step 2: Convert to fraction form
    1,892,577.02/2,838,865.64 = 1,511,714.55/x
  3. Step 3: Cross multiply
    1,892,577.02x = 2,838,865.64 × 1,511,714.55
  4. Step 4: Simplify right side
    1,892,577.02x = 4,291,554,485,924.49
  5. Step 5: Solve for x
    x = 4,291,554,485,924.49/1,892,577.02
  6. Step 6: Final answer
    x = 2,267,571.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.