Home / 3,641,964.32-5,026,029.71-1,988,199.61

Finding the Fourth Proportional to 3,641,964.32, 5,026,029.71 and 1,988,199.61

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Solution

The fourth proportional to 3,641,964.32, 5,026,029.71 and 1,988,199.61 is: 2,743,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641,964.32 : 5,026,029.71 = 1,988,199.61 : x
  2. Step 2: Convert to fraction form
    3,641,964.32/5,026,029.71 = 1,988,199.61/x
  3. Step 3: Cross multiply
    3,641,964.32x = 5,026,029.71 × 1,988,199.61
  4. Step 4: Simplify right side
    3,641,964.32x = 9,992,750,309,270.41
  5. Step 5: Solve for x
    x = 9,992,750,309,270.41/3,641,964.32
  6. Step 6: Final answer
    x = 2,743,780.40

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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.