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Finding the Fourth Proportional to 3,170,991.04, 4,374,721.92 and 1,812,135.04

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Solution

The fourth proportional to 3,170,991.04, 4,374,721.92 and 1,812,135.04 is: 2,500,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170,991.04 : 4,374,721.92 = 1,812,135.04 : x
  2. Step 2: Convert to fraction form
    3,170,991.04/4,374,721.92 = 1,812,135.04/x
  3. Step 3: Cross multiply
    3,170,991.04x = 4,374,721.92 × 1,812,135.04
  4. Step 4: Simplify right side
    3,170,991.04x = 7,927,586,881,488.08
  5. Step 5: Solve for x
    x = 7,927,586,881,488.08/3,170,991.04
  6. Step 6: Final answer
    x = 2,500,034.46

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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.