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Finding the Fourth Proportional to 3,539,305, 5,308,976.94 and 879,913

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Solution

The fourth proportional to 3,539,305, 5,308,976.94 and 879,913 is: 1,319,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,305 : 5,308,976.94 = 879,913 : x
  2. Step 2: Convert to fraction form
    3,539,305/5,308,976.94 = 879,913/x
  3. Step 3: Cross multiply
    3,539,305x = 5,308,976.94 × 879,913
  4. Step 4: Simplify right side
    3,539,305x = 4,671,437,826,206.22
  5. Step 5: Solve for x
    x = 4,671,437,826,206.22/3,539,305
  6. Step 6: Final answer
    x = 1,319,874.33

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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.