Home / 3,553,448.38-4,903,758.69-1,921,855.70

Finding the Fourth Proportional to 3,553,448.38, 4,903,758.69 and 1,921,855.70

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Solution

The fourth proportional to 3,553,448.38, 4,903,758.69 and 1,921,855.70 is: 2,652,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,448.38 : 4,903,758.69 = 1,921,855.70 : x
  2. Step 2: Convert to fraction form
    3,553,448.38/4,903,758.69 = 1,921,855.70/x
  3. Step 3: Cross multiply
    3,553,448.38x = 4,903,758.69 × 1,921,855.70
  4. Step 4: Simplify right side
    3,553,448.38x = 9,424,316,589,801.03
  5. Step 5: Solve for x
    x = 9,424,316,589,801.03/3,553,448.38
  6. Step 6: Final answer
    x = 2,652,160.83

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1.5x scale

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.