Home / 2,811,362.38-3,879,681.92-1,522,203.64

Finding the Fourth Proportional to 2,811,362.38, 3,879,681.92 and 1,522,203.64

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Solution

The fourth proportional to 2,811,362.38, 3,879,681.92 and 1,522,203.64 is: 2,100,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,362.38 : 3,879,681.92 = 1,522,203.64 : x
  2. Step 2: Convert to fraction form
    2,811,362.38/3,879,681.92 = 1,522,203.64/x
  3. Step 3: Cross multiply
    2,811,362.38x = 3,879,681.92 × 1,522,203.64
  4. Step 4: Simplify right side
    2,811,362.38x = 5,905,665,940,666.19
  5. Step 5: Solve for x
    x = 5,905,665,940,666.19/2,811,362.38
  6. Step 6: Final answer
    x = 2,100,642.02

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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.