Home / 3,641,964.82-5,026,030.40-1,988,200.11

Finding the Fourth Proportional to 3,641,964.82, 5,026,030.40 and 1,988,200.11

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Solution

The fourth proportional to 3,641,964.82, 5,026,030.40 and 1,988,200.11 is: 2,743,781.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641,964.82 : 5,026,030.40 = 1,988,200.11 : x
  2. Step 2: Convert to fraction form
    3,641,964.82/5,026,030.40 = 1,988,200.11/x
  3. Step 3: Cross multiply
    3,641,964.82x = 5,026,030.40 × 1,988,200.11
  4. Step 4: Simplify right side
    3,641,964.82x = 9,992,754,194,143.35
  5. Step 5: Solve for x
    x = 9,992,754,194,143.35/3,641,964.82
  6. Step 6: Final answer
    x = 2,743,781.09

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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.