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Finding the Fourth Proportional to 2,843,070.03, 3,921,179.22 and 2,147,671.46

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Solution

The fourth proportional to 2,843,070.03, 3,921,179.22 and 2,147,671.46 is: 2,962,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843,070.03 : 3,921,179.22 = 2,147,671.46 : x
  2. Step 2: Convert to fraction form
    2,843,070.03/3,921,179.22 = 2,147,671.46/x
  3. Step 3: Cross multiply
    2,843,070.03x = 3,921,179.22 × 2,147,671.46
  4. Step 4: Simplify right side
    2,843,070.03x = 8,421,404,710,142.01
  5. Step 5: Solve for x
    x = 8,421,404,710,142.01/2,843,070.03
  6. Step 6: Final answer
    x = 2,962,081.35

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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.