Home / 5,321,969.76-7,986,104-1,958,538.72

Finding the Fourth Proportional to 5,321,969.76, 7,986,104 and 1,958,538.72

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Solution

The fourth proportional to 5,321,969.76, 7,986,104 and 1,958,538.72 is: 2,938,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,969.76 : 7,986,104 = 1,958,538.72 : x
  2. Step 2: Convert to fraction form
    5,321,969.76/7,986,104 = 1,958,538.72/x
  3. Step 3: Cross multiply
    5,321,969.76x = 7,986,104 × 1,958,538.72
  4. Step 4: Simplify right side
    5,321,969.76x = 15,641,093,905,946.88
  5. Step 5: Solve for x
    x = 15,641,093,905,946.88/5,321,969.76
  6. Step 6: Final answer
    x = 2,938,967.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.