Home / 3,338,464.20-5,012,945.10-1,921,288.20

Finding the Fourth Proportional to 3,338,464.20, 5,012,945.10 and 1,921,288.20

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Solution

The fourth proportional to 3,338,464.20, 5,012,945.10 and 1,921,288.20 is: 2,884,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338,464.20 : 5,012,945.10 = 1,921,288.20 : x
  2. Step 2: Convert to fraction form
    3,338,464.20/5,012,945.10 = 1,921,288.20/x
  3. Step 3: Cross multiply
    3,338,464.20x = 5,012,945.10 × 1,921,288.20
  4. Step 4: Simplify right side
    3,338,464.20x = 9,631,312,267,877.82
  5. Step 5: Solve for x
    x = 9,631,312,267,877.82/3,338,464.20
  6. Step 6: Final answer
    x = 2,884,952.99

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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.