Home / 3,641,964.19-5,026,029.53-1,988,199.48

Finding the Fourth Proportional to 3,641,964.19, 5,026,029.53 and 1,988,199.48

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Solution

The fourth proportional to 3,641,964.19, 5,026,029.53 and 1,988,199.48 is: 2,743,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641,964.19 : 5,026,029.53 = 1,988,199.48 : x
  2. Step 2: Convert to fraction form
    3,641,964.19/5,026,029.53 = 1,988,199.48/x
  3. Step 3: Cross multiply
    3,641,964.19x = 5,026,029.53 × 1,988,199.48
  4. Step 4: Simplify right side
    3,641,964.19x = 9,992,749,302,981.14
  5. Step 5: Solve for x
    x = 9,992,749,302,981.14/3,641,964.19
  6. Step 6: Final answer
    x = 2,743,780.22

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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.