Home / 3,309,071.11-4,963,892.61-912,915.75

Finding the Fourth Proportional to 3,309,071.11, 4,963,892.61 and 912,915.75

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Solution

The fourth proportional to 3,309,071.11, 4,963,892.61 and 912,915.75 is: 1,369,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,071.11 : 4,963,892.61 = 912,915.75 : x
  2. Step 2: Convert to fraction form
    3,309,071.11/4,963,892.61 = 912,915.75/x
  3. Step 3: Cross multiply
    3,309,071.11x = 4,963,892.61 × 912,915.75
  4. Step 4: Simplify right side
    3,309,071.11x = 4,531,615,733,958.59
  5. Step 5: Solve for x
    x = 4,531,615,733,958.59/3,309,071.11
  6. Step 6: Final answer
    x = 1,369,452.51

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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.