Home / 3,131,716.50-4,697,577.34-857,259.74

Finding the Fourth Proportional to 3,131,716.50, 4,697,577.34 and 857,259.74

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Solution

The fourth proportional to 3,131,716.50, 4,697,577.34 and 857,259.74 is: 1,285,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,716.50 : 4,697,577.34 = 857,259.74 : x
  2. Step 2: Convert to fraction form
    3,131,716.50/4,697,577.34 = 857,259.74/x
  3. Step 3: Cross multiply
    3,131,716.50x = 4,697,577.34 × 857,259.74
  4. Step 4: Simplify right side
    3,131,716.50x = 4,027,043,929,118.29
  5. Step 5: Solve for x
    x = 4,027,043,929,118.29/3,131,716.50
  6. Step 6: Final answer
    x = 1,285,890.32

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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.