Home / 3,868,419.12-5,338,312.32-2,149,495.44

Finding the Fourth Proportional to 3,868,419.12, 5,338,312.32 and 2,149,495.44

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Solution

The fourth proportional to 3,868,419.12, 5,338,312.32 and 2,149,495.44 is: 2,966,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,419.12 : 5,338,312.32 = 2,149,495.44 : x
  2. Step 2: Convert to fraction form
    3,868,419.12/5,338,312.32 = 2,149,495.44/x
  3. Step 3: Cross multiply
    3,868,419.12x = 5,338,312.32 × 2,149,495.44
  4. Step 4: Simplify right side
    3,868,419.12x = 11,474,677,989,135.82
  5. Step 5: Solve for x
    x = 11,474,677,989,135.82/3,868,419.12
  6. Step 6: Final answer
    x = 2,966,244.77

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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.