Home / 3,219,761.86-4,831,857.21-1,326,503.26

Finding the Fourth Proportional to 3,219,761.86, 4,831,857.21 and 1,326,503.26

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Solution

The fourth proportional to 3,219,761.86, 4,831,857.21 and 1,326,503.26 is: 1,990,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,761.86 : 4,831,857.21 = 1,326,503.26 : x
  2. Step 2: Convert to fraction form
    3,219,761.86/4,831,857.21 = 1,326,503.26/x
  3. Step 3: Cross multiply
    3,219,761.86x = 4,831,857.21 × 1,326,503.26
  4. Step 4: Simplify right side
    3,219,761.86x = 6,409,474,340,919.51
  5. Step 5: Solve for x
    x = 6,409,474,340,919.51/3,219,761.86
  6. Step 6: Final answer
    x = 1,990,667.20

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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.