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Finding the Fourth Proportional to 1,799,656.16, 2,700,166.08 and 1,080,500.09

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Solution

The fourth proportional to 1,799,656.16, 2,700,166.08 and 1,080,500.09 is: 1,621,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,656.16 : 2,700,166.08 = 1,080,500.09 : x
  2. Step 2: Convert to fraction form
    1,799,656.16/2,700,166.08 = 1,080,500.09/x
  3. Step 3: Cross multiply
    1,799,656.16x = 2,700,166.08 × 1,080,500.09
  4. Step 4: Simplify right side
    1,799,656.16x = 2,917,529,692,454.95
  5. Step 5: Solve for x
    x = 2,917,529,692,454.95/1,799,656.16
  6. Step 6: Final answer
    x = 1,621,159.51

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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.