Home / 3,878,244.57-5,351,804.83-2,223,205.16

Finding the Fourth Proportional to 3,878,244.57, 5,351,804.83 and 2,223,205.16

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Solution

The fourth proportional to 3,878,244.57, 5,351,804.83 and 2,223,205.16 is: 3,067,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,244.57 : 5,351,804.83 = 2,223,205.16 : x
  2. Step 2: Convert to fraction form
    3,878,244.57/5,351,804.83 = 2,223,205.16/x
  3. Step 3: Cross multiply
    3,878,244.57x = 5,351,804.83 × 2,223,205.16
  4. Step 4: Simplify right side
    3,878,244.57x = 11,898,160,113,368.92
  5. Step 5: Solve for x
    x = 11,898,160,113,368.92/3,878,244.57
  6. Step 6: Final answer
    x = 3,067,924.13

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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.