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Finding the Fourth Proportional to 5,984,691.87, 8,978,298.74 and 1,940,864.37

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Solution

The fourth proportional to 5,984,691.87, 8,978,298.74 and 1,940,864.37 is: 2,911,705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,984,691.87 : 8,978,298.74 = 1,940,864.37 : x
  2. Step 2: Convert to fraction form
    5,984,691.87/8,978,298.74 = 1,940,864.37/x
  3. Step 3: Cross multiply
    5,984,691.87x = 8,978,298.74 × 1,940,864.37
  4. Step 4: Simplify right side
    5,984,691.87x = 17,425,660,127,681.89
  5. Step 5: Solve for x
    x = 17,425,660,127,681.89/5,984,691.87
  6. Step 6: Final answer
    x = 2,911,705.48

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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.