Home / 3,648,940.24-5,036,336.90-2,121,928.24

Finding the Fourth Proportional to 3,648,940.24, 5,036,336.90 and 2,121,928.24

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Solution

The fourth proportional to 3,648,940.24, 5,036,336.90 and 2,121,928.24 is: 2,928,725.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,940.24 : 5,036,336.90 = 2,121,928.24 : x
  2. Step 2: Convert to fraction form
    3,648,940.24/5,036,336.90 = 2,121,928.24/x
  3. Step 3: Cross multiply
    3,648,940.24x = 5,036,336.90 × 2,121,928.24
  4. Step 4: Simplify right side
    3,648,940.24x = 10,686,745,494,264.06
  5. Step 5: Solve for x
    x = 10,686,745,494,264.06/3,648,940.24
  6. Step 6: Final answer
    x = 2,928,725.82

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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.