Home / 3,847,983.10-5,768,167.65-1,822,667.20

Finding the Fourth Proportional to 3,847,983.10, 5,768,167.65 and 1,822,667.20

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Solution

The fourth proportional to 3,847,983.10, 5,768,167.65 and 1,822,667.20 is: 2,732,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,983.10 : 5,768,167.65 = 1,822,667.20 : x
  2. Step 2: Convert to fraction form
    3,847,983.10/5,768,167.65 = 1,822,667.20/x
  3. Step 3: Cross multiply
    3,847,983.10x = 5,768,167.65 × 1,822,667.20
  4. Step 4: Simplify right side
    3,847,983.10x = 10,513,449,979,756.08
  5. Step 5: Solve for x
    x = 10,513,449,979,756.08/3,847,983.10
  6. Step 6: Final answer
    x = 2,732,197.55

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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.