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Finding the Fourth Proportional to 1,898,751.76, 2,620,254.60 and 1,027,566.16

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Solution

The fourth proportional to 1,898,751.76, 2,620,254.60 and 1,027,566.16 is: 1,418,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,751.76 : 2,620,254.60 = 1,027,566.16 : x
  2. Step 2: Convert to fraction form
    1,898,751.76/2,620,254.60 = 1,027,566.16/x
  3. Step 3: Cross multiply
    1,898,751.76x = 2,620,254.60 × 1,027,566.16
  4. Step 4: Simplify right side
    1,898,751.76x = 2,692,484,957,544.34
  5. Step 5: Solve for x
    x = 2,692,484,957,544.34/1,898,751.76
  6. Step 6: Final answer
    x = 1,418,028.95

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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.