Home / 3,553,382.11-4,903,667.31-1,921,789.48

Finding the Fourth Proportional to 3,553,382.11, 4,903,667.31 and 1,921,789.48

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Solution

The fourth proportional to 3,553,382.11, 4,903,667.31 and 1,921,789.48 is: 2,652,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,382.11 : 4,903,667.31 = 1,921,789.48 : x
  2. Step 2: Convert to fraction form
    3,553,382.11/4,903,667.31 = 1,921,789.48/x
  3. Step 3: Cross multiply
    3,553,382.11x = 4,903,667.31 × 1,921,789.48
  4. Step 4: Simplify right side
    3,553,382.11x = 9,423,816,225,259.56
  5. Step 5: Solve for x
    x = 9,423,816,225,259.56/3,553,382.11
  6. Step 6: Final answer
    x = 2,652,069.47

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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.