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Finding the Fourth Proportional to 3,957,184.94, 5,935,879.62 and 1,078,575.36

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Solution

The fourth proportional to 3,957,184.94, 5,935,879.62 and 1,078,575.36 is: 1,617,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,184.94 : 5,935,879.62 = 1,078,575.36 : x
  2. Step 2: Convert to fraction form
    3,957,184.94/5,935,879.62 = 1,078,575.36/x
  3. Step 3: Cross multiply
    3,957,184.94x = 5,935,879.62 × 1,078,575.36
  4. Step 4: Simplify right side
    3,957,184.94x = 6,402,293,498,058.16
  5. Step 5: Solve for x
    x = 6,402,293,498,058.16/3,957,184.94
  6. Step 6: Final answer
    x = 1,617,890.90

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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.