Home / 3,211,638.88-4,431,742.32-1,853,949.28

Finding the Fourth Proportional to 3,211,638.88, 4,431,742.32 and 1,853,949.28

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Solution

The fourth proportional to 3,211,638.88, 4,431,742.32 and 1,853,949.28 is: 2,558,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,638.88 : 4,431,742.32 = 1,853,949.28 : x
  2. Step 2: Convert to fraction form
    3,211,638.88/4,431,742.32 = 1,853,949.28/x
  3. Step 3: Cross multiply
    3,211,638.88x = 4,431,742.32 × 1,853,949.28
  4. Step 4: Simplify right side
    3,211,638.88x = 8,216,225,483,309.53
  5. Step 5: Solve for x
    x = 8,216,225,483,309.53/3,211,638.88
  6. Step 6: Final answer
    x = 2,558,265.67

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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.