Home / 3,219,720.72-4,831,795.43-1,326,462.17

Finding the Fourth Proportional to 3,219,720.72, 4,831,795.43 and 1,326,462.17

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Solution

The fourth proportional to 3,219,720.72, 4,831,795.43 and 1,326,462.17 is: 1,990,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,720.72 : 4,831,795.43 = 1,326,462.17 : x
  2. Step 2: Convert to fraction form
    3,219,720.72/4,831,795.43 = 1,326,462.17/x
  3. Step 3: Cross multiply
    3,219,720.72x = 4,831,795.43 × 1,326,462.17
  4. Step 4: Simplify right side
    3,219,720.72x = 6,409,193,820,282.60
  5. Step 5: Solve for x
    x = 6,409,193,820,282.60/3,219,720.72
  6. Step 6: Final answer
    x = 1,990,605.51

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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.