Home / 3,523,885.54-5,280,447.69-2,620,960.72

Finding the Fourth Proportional to 3,523,885.54, 5,280,447.69 and 2,620,960.72

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Solution

The fourth proportional to 3,523,885.54, 5,280,447.69 and 2,620,960.72 is: 3,927,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523,885.54 : 5,280,447.69 = 2,620,960.72 : x
  2. Step 2: Convert to fraction form
    3,523,885.54/5,280,447.69 = 2,620,960.72/x
  3. Step 3: Cross multiply
    3,523,885.54x = 5,280,447.69 × 2,620,960.72
  4. Step 4: Simplify right side
    3,523,885.54x = 13,839,845,979,504.74
  5. Step 5: Solve for x
    x = 13,839,845,979,504.74/3,523,885.54
  6. Step 6: Final answer
    x = 3,927,439.14

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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.