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Finding the Fourth Proportional to 5,796,068.78, 8,695,105.74 and 1,957,919.15

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Solution

The fourth proportional to 5,796,068.78, 8,695,105.74 and 1,957,919.15 is: 2,937,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,796,068.78 : 8,695,105.74 = 1,957,919.15 : x
  2. Step 2: Convert to fraction form
    5,796,068.78/8,695,105.74 = 1,957,919.15/x
  3. Step 3: Cross multiply
    5,796,068.78x = 8,695,105.74 × 1,957,919.15
  4. Step 4: Simplify right side
    5,796,068.78x = 17,024,314,036,094.24
  5. Step 5: Solve for x
    x = 17,024,314,036,094.24/5,796,068.78
  6. Step 6: Final answer
    x = 2,937,217.39

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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.