Home / 3,619,143.84-5,428,902.60-923,492.64

Finding the Fourth Proportional to 3,619,143.84, 5,428,902.60 and 923,492.64

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Solution

The fourth proportional to 3,619,143.84, 5,428,902.60 and 923,492.64 is: 1,385,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,143.84 : 5,428,902.60 = 923,492.64 : x
  2. Step 2: Convert to fraction form
    3,619,143.84/5,428,902.60 = 923,492.64/x
  3. Step 3: Cross multiply
    3,619,143.84x = 5,428,902.60 × 923,492.64
  4. Step 4: Simplify right side
    3,619,143.84x = 5,013,551,594,376.86
  5. Step 5: Solve for x
    x = 5,013,551,594,376.86/3,619,143.84
  6. Step 6: Final answer
    x = 1,385,286.64

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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.