Home / 3,672,622.89-5,509,867.46-2,157,586.74

Finding the Fourth Proportional to 3,672,622.89, 5,509,867.46 and 2,157,586.74

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Solution

The fourth proportional to 3,672,622.89, 5,509,867.46 and 2,157,586.74 is: 3,236,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,622.89 : 5,509,867.46 = 2,157,586.74 : x
  2. Step 2: Convert to fraction form
    3,672,622.89/5,509,867.46 = 2,157,586.74/x
  3. Step 3: Cross multiply
    3,672,622.89x = 5,509,867.46 × 2,157,586.74
  4. Step 4: Simplify right side
    3,672,622.89x = 11,888,016,960,065.55
  5. Step 5: Solve for x
    x = 11,888,016,960,065.55/3,672,622.89
  6. Step 6: Final answer
    x = 3,236,928.30

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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.