Home / 5,112,893.84-7,055,941.04-2,821,202.15

Finding the Fourth Proportional to 5,112,893.84, 7,055,941.04 and 2,821,202.15

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Solution

The fourth proportional to 5,112,893.84, 7,055,941.04 and 2,821,202.15 is: 3,893,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,893.84 : 7,055,941.04 = 2,821,202.15 : x
  2. Step 2: Convert to fraction form
    5,112,893.84/7,055,941.04 = 2,821,202.15/x
  3. Step 3: Cross multiply
    5,112,893.84x = 7,055,941.04 × 2,821,202.15
  4. Step 4: Simplify right side
    5,112,893.84x = 19,906,235,982,935.52
  5. Step 5: Solve for x
    x = 19,906,235,982,935.52/5,112,893.84
  6. Step 6: Final answer
    x = 3,893,340.37

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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.