Home / 3,907,802.75-5,392,939.86-2,165,467.41

Finding the Fourth Proportional to 3,907,802.75, 5,392,939.86 and 2,165,467.41

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Solution

The fourth proportional to 3,907,802.75, 5,392,939.86 and 2,165,467.41 is: 2,988,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,802.75 : 5,392,939.86 = 2,165,467.41 : x
  2. Step 2: Convert to fraction form
    3,907,802.75/5,392,939.86 = 2,165,467.41/x
  3. Step 3: Cross multiply
    3,907,802.75x = 5,392,939.86 × 2,165,467.41
  4. Step 4: Simplify right side
    3,907,802.75x = 11,678,235,510,919.96
  5. Step 5: Solve for x
    x = 11,678,235,510,919.96/3,907,802.75
  6. Step 6: Final answer
    x = 2,988,440.38

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1.5x scale

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.