Home / 3,900,516.31-5,382,746.63-2,181,796.75

Finding the Fourth Proportional to 3,900,516.31, 5,382,746.63 and 2,181,796.75

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Solution

The fourth proportional to 3,900,516.31, 5,382,746.63 and 2,181,796.75 is: 3,010,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,516.31 : 5,382,746.63 = 2,181,796.75 : x
  2. Step 2: Convert to fraction form
    3,900,516.31/5,382,746.63 = 2,181,796.75/x
  3. Step 3: Cross multiply
    3,900,516.31x = 5,382,746.63 × 2,181,796.75
  4. Step 4: Simplify right side
    3,900,516.31x = 11,744,059,103,407.45
  5. Step 5: Solve for x
    x = 11,744,059,103,407.45/3,900,516.31
  6. Step 6: Final answer
    x = 3,010,898.60

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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.