Home / 3,900,303.54-5,382,387.90-2,181,422.70

Finding the Fourth Proportional to 3,900,303.54, 5,382,387.90 and 2,181,422.70

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Solution

The fourth proportional to 3,900,303.54, 5,382,387.90 and 2,181,422.70 is: 3,010,346.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,303.54 : 5,382,387.90 = 2,181,422.70 : x
  2. Step 2: Convert to fraction form
    3,900,303.54/5,382,387.90 = 2,181,422.70/x
  3. Step 3: Cross multiply
    3,900,303.54x = 5,382,387.90 × 2,181,422.70
  4. Step 4: Simplify right side
    3,900,303.54x = 11,741,263,145,265.33
  5. Step 5: Solve for x
    x = 11,741,263,145,265.33/3,900,303.54
  6. Step 6: Final answer
    x = 3,010,346.00

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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.