Home / 6,317,428.16-9,477,189.81-2,217,686.09

Finding the Fourth Proportional to 6,317,428.16, 9,477,189.81 and 2,217,686.09

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Solution

The fourth proportional to 6,317,428.16, 9,477,189.81 and 2,217,686.09 is: 3,326,896.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317,428.16 : 9,477,189.81 = 2,217,686.09 : x
  2. Step 2: Convert to fraction form
    6,317,428.16/9,477,189.81 = 2,217,686.09/x
  3. Step 3: Cross multiply
    6,317,428.16x = 9,477,189.81 × 2,217,686.09
  4. Step 4: Simplify right side
    6,317,428.16x = 21,017,431,966,540.79
  5. Step 5: Solve for x
    x = 21,017,431,966,540.79/6,317,428.16
  6. Step 6: Final answer
    x = 3,326,896.87

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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.