Home / 3,688,728-5,094,643.68-2,479,404.48

Finding the Fourth Proportional to 3,688,728, 5,094,643.68 and 2,479,404.48

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Solution

The fourth proportional to 3,688,728, 5,094,643.68 and 2,479,404.48 is: 3,424,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,728 : 5,094,643.68 = 2,479,404.48 : x
  2. Step 2: Convert to fraction form
    3,688,728/5,094,643.68 = 2,479,404.48/x
  3. Step 3: Cross multiply
    3,688,728x = 5,094,643.68 × 2,479,404.48
  4. Step 4: Simplify right side
    3,688,728x = 12,631,682,364,195.69
  5. Step 5: Solve for x
    x = 12,631,682,364,195.69/3,688,728
  6. Step 6: Final answer
    x = 3,424,400.60

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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.