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Finding the Fourth Proportional to 5,797,750.78, 8,697,695.28 and 1,907,426.97

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Solution

The fourth proportional to 5,797,750.78, 8,697,695.28 and 1,907,426.97 is: 2,861,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,797,750.78 : 8,697,695.28 = 1,907,426.97 : x
  2. Step 2: Convert to fraction form
    5,797,750.78/8,697,695.28 = 1,907,426.97/x
  3. Step 3: Cross multiply
    5,797,750.78x = 8,697,695.28 × 1,907,426.97
  4. Step 4: Simplify right side
    5,797,750.78x = 16,590,218,553,913.70
  5. Step 5: Solve for x
    x = 16,590,218,553,913.70/5,797,750.78
  6. Step 6: Final answer
    x = 2,861,492.19

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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.