Home / 3,259,909.08-4,498,449.51-1,809,490.35

Finding the Fourth Proportional to 3,259,909.08, 4,498,449.51 and 1,809,490.35

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Solution

The fourth proportional to 3,259,909.08, 4,498,449.51 and 1,809,490.35 is: 2,496,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,909.08 : 4,498,449.51 = 1,809,490.35 : x
  2. Step 2: Convert to fraction form
    3,259,909.08/4,498,449.51 = 1,809,490.35/x
  3. Step 3: Cross multiply
    3,259,909.08x = 4,498,449.51 × 1,809,490.35
  4. Step 4: Simplify right side
    3,259,909.08x = 8,139,900,978,307.23
  5. Step 5: Solve for x
    x = 8,139,900,978,307.23/3,259,909.08
  6. Step 6: Final answer
    x = 2,496,971.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.