Home / 5,112,895.34-7,055,943.11-2,821,203.65

Finding the Fourth Proportional to 5,112,895.34, 7,055,943.11 and 2,821,203.65

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Solution

The fourth proportional to 5,112,895.34, 7,055,943.11 and 2,821,203.65 is: 3,893,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,895.34 : 7,055,943.11 = 2,821,203.65 : x
  2. Step 2: Convert to fraction form
    5,112,895.34/7,055,943.11 = 2,821,203.65/x
  3. Step 3: Cross multiply
    5,112,895.34x = 7,055,943.11 × 2,821,203.65
  4. Step 4: Simplify right side
    5,112,895.34x = 19,906,252,406,738.62
  5. Step 5: Solve for x
    x = 19,906,252,406,738.62/5,112,895.34
  6. Step 6: Final answer
    x = 3,893,342.44

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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.