Home / 3,658,699.12-5,485,921.39-1,384,399.21

Finding the Fourth Proportional to 3,658,699.12, 5,485,921.39 and 1,384,399.21

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Solution

The fourth proportional to 3,658,699.12, 5,485,921.39 and 1,384,399.21 is: 2,075,793.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,699.12 : 5,485,921.39 = 1,384,399.21 : x
  2. Step 2: Convert to fraction form
    3,658,699.12/5,485,921.39 = 1,384,399.21/x
  3. Step 3: Cross multiply
    3,658,699.12x = 5,485,921.39 × 1,384,399.21
  4. Step 4: Simplify right side
    3,658,699.12x = 7,594,705,238,438.10
  5. Step 5: Solve for x
    x = 7,594,705,238,438.10/3,658,699.12
  6. Step 6: Final answer
    x = 2,075,793.88

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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.