Home / 5,728,721.28-7,905,838.32-3,150,601.44

Finding the Fourth Proportional to 5,728,721.28, 7,905,838.32 and 3,150,601.44

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Solution

The fourth proportional to 5,728,721.28, 7,905,838.32 and 3,150,601.44 is: 4,347,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,721.28 : 7,905,838.32 = 3,150,601.44 : x
  2. Step 2: Convert to fraction form
    5,728,721.28/7,905,838.32 = 3,150,601.44/x
  3. Step 3: Cross multiply
    5,728,721.28x = 7,905,838.32 × 3,150,601.44
  4. Step 4: Simplify right side
    5,728,721.28x = 24,908,145,595,399.18
  5. Step 5: Solve for x
    x = 24,908,145,595,399.18/5,728,721.28
  6. Step 6: Final answer
    x = 4,347,941.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.