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Finding the Fourth Proportional to 4,593,244.86, 6,890,863.86 and 1,398,288.42

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Solution

The fourth proportional to 4,593,244.86, 6,890,863.86 and 1,398,288.42 is: 2,097,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,593,244.86 : 6,890,863.86 = 1,398,288.42 : x
  2. Step 2: Convert to fraction form
    4,593,244.86/6,890,863.86 = 1,398,288.42/x
  3. Step 3: Cross multiply
    4,593,244.86x = 6,890,863.86 × 1,398,288.42
  4. Step 4: Simplify right side
    4,593,244.86x = 9,635,415,139,234.50
  5. Step 5: Solve for x
    x = 9,635,415,139,234.50/4,593,244.86
  6. Step 6: Final answer
    x = 2,097,736.01

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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.