Home / 3,315,915.29-4,973,872.61-919,760.03

Finding the Fourth Proportional to 3,315,915.29, 4,973,872.61 and 919,760.03

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Solution

The fourth proportional to 3,315,915.29, 4,973,872.61 and 919,760.03 is: 1,379,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,915.29 : 4,973,872.61 = 919,760.03 : x
  2. Step 2: Convert to fraction form
    3,315,915.29/4,973,872.61 = 919,760.03/x
  3. Step 3: Cross multiply
    3,315,915.29x = 4,973,872.61 × 919,760.03
  4. Step 4: Simplify right side
    3,315,915.29x = 4,574,769,196,120.42
  5. Step 5: Solve for x
    x = 4,574,769,196,120.42/3,315,915.29
  6. Step 6: Final answer
    x = 1,379,639.95

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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.