Home / 5,091,905.31-7,025,109.72-2,886,531.68

Finding the Fourth Proportional to 5,091,905.31, 7,025,109.72 and 2,886,531.68

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Solution

The fourth proportional to 5,091,905.31, 7,025,109.72 and 2,886,531.68 is: 3,982,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091,905.31 : 7,025,109.72 = 2,886,531.68 : x
  2. Step 2: Convert to fraction form
    5,091,905.31/7,025,109.72 = 2,886,531.68/x
  3. Step 3: Cross multiply
    5,091,905.31x = 7,025,109.72 × 2,886,531.68
  4. Step 4: Simplify right side
    5,091,905.31x = 20,278,201,727,130.38
  5. Step 5: Solve for x
    x = 20,278,201,727,130.38/5,091,905.31
  6. Step 6: Final answer
    x = 3,982,438.89

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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.