Home / 5,158,175.78-7,118,347.08-2,835,321.90

Finding the Fourth Proportional to 5,158,175.78, 7,118,347.08 and 2,835,321.90

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Solution

The fourth proportional to 5,158,175.78, 7,118,347.08 and 2,835,321.90 is: 3,912,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,175.78 : 7,118,347.08 = 2,835,321.90 : x
  2. Step 2: Convert to fraction form
    5,158,175.78/7,118,347.08 = 2,835,321.90/x
  3. Step 3: Cross multiply
    5,158,175.78x = 7,118,347.08 × 2,835,321.90
  4. Step 4: Simplify right side
    5,158,175.78x = 20,182,805,353,548.44
  5. Step 5: Solve for x
    x = 20,182,805,353,548.44/5,158,175.78
  6. Step 6: Final answer
    x = 3,912,779.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.