Home / 3,889,576.96-5,368,157.21-2,170,808.19

Finding the Fourth Proportional to 3,889,576.96, 5,368,157.21 and 2,170,808.19

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Solution

The fourth proportional to 3,889,576.96, 5,368,157.21 and 2,170,808.19 is: 2,996,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,576.96 : 5,368,157.21 = 2,170,808.19 : x
  2. Step 2: Convert to fraction form
    3,889,576.96/5,368,157.21 = 2,170,808.19/x
  3. Step 3: Cross multiply
    3,889,576.96x = 5,368,157.21 × 2,170,808.19
  4. Step 4: Simplify right side
    3,889,576.96x = 11,653,239,636,675.55
  5. Step 5: Solve for x
    x = 11,653,239,636,675.55/3,889,576.96
  6. Step 6: Final answer
    x = 2,996,017.24

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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.