Home / 3,245,786.40-4,478,794.95-1,869,577.71

Finding the Fourth Proportional to 3,245,786.40, 4,478,794.95 and 1,869,577.71

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Solution

The fourth proportional to 3,245,786.40, 4,478,794.95 and 1,869,577.71 is: 2,579,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245,786.40 : 4,478,794.95 = 1,869,577.71 : x
  2. Step 2: Convert to fraction form
    3,245,786.40/4,478,794.95 = 1,869,577.71/x
  3. Step 3: Cross multiply
    3,245,786.40x = 4,478,794.95 × 1,869,577.71
  4. Step 4: Simplify right side
    3,245,786.40x = 8,373,455,206,180.57
  5. Step 5: Solve for x
    x = 8,373,455,206,180.57/3,245,786.40
  6. Step 6: Final answer
    x = 2,579,792.44

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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.