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Finding the Fourth Proportional to 1,946,520.94, 2,666,688.96 and 1,873,744.87

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Solution

The fourth proportional to 1,946,520.94, 2,666,688.96 and 1,873,744.87 is: 2,566,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,520.94 : 2,666,688.96 = 1,873,744.87 : x
  2. Step 2: Convert to fraction form
    1,946,520.94/2,666,688.96 = 1,873,744.87/x
  3. Step 3: Cross multiply
    1,946,520.94x = 2,666,688.96 × 1,873,744.87
  4. Step 4: Simplify right side
    1,946,520.94x = 4,996,694,758,685.64
  5. Step 5: Solve for x
    x = 4,996,694,758,685.64/1,946,520.94
  6. Step 6: Final answer
    x = 2,566,987.42

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.