Home / 3,800,388.24-5,244,482.64-2,169,312.72

Finding the Fourth Proportional to 3,800,388.24, 5,244,482.64 and 2,169,312.72

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Solution

The fourth proportional to 3,800,388.24, 5,244,482.64 and 2,169,312.72 is: 2,993,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,388.24 : 5,244,482.64 = 2,169,312.72 : x
  2. Step 2: Convert to fraction form
    3,800,388.24/5,244,482.64 = 2,169,312.72/x
  3. Step 3: Cross multiply
    3,800,388.24x = 5,244,482.64 × 2,169,312.72
  4. Step 4: Simplify right side
    3,800,388.24x = 11,376,922,900,771.18
  5. Step 5: Solve for x
    x = 11,376,922,900,771.18/3,800,388.24
  6. Step 6: Final answer
    x = 2,993,621.23

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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.