Home / 3,643,849.80-5,465,774.70-1,279,945.80

Finding the Fourth Proportional to 3,643,849.80, 5,465,774.70 and 1,279,945.80

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Solution

The fourth proportional to 3,643,849.80, 5,465,774.70 and 1,279,945.80 is: 1,919,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,849.80 : 5,465,774.70 = 1,279,945.80 : x
  2. Step 2: Convert to fraction form
    3,643,849.80/5,465,774.70 = 1,279,945.80/x
  3. Step 3: Cross multiply
    3,643,849.80x = 5,465,774.70 × 1,279,945.80
  4. Step 4: Simplify right side
    3,643,849.80x = 6,995,895,371,011.26
  5. Step 5: Solve for x
    x = 6,995,895,371,011.26/3,643,849.80
  6. Step 6: Final answer
    x = 1,919,918.70

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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.