Home / 3,211,841.52-4,814,811.77-1,389,066.39

Finding the Fourth Proportional to 3,211,841.52, 4,814,811.77 and 1,389,066.39

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Solution

The fourth proportional to 3,211,841.52, 4,814,811.77 and 1,389,066.39 is: 2,082,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,841.52 : 4,814,811.77 = 1,389,066.39 : x
  2. Step 2: Convert to fraction form
    3,211,841.52/4,814,811.77 = 1,389,066.39/x
  3. Step 3: Cross multiply
    3,211,841.52x = 4,814,811.77 × 1,389,066.39
  4. Step 4: Simplify right side
    3,211,841.52x = 6,688,093,203,883.41
  5. Step 5: Solve for x
    x = 6,688,093,203,883.41/3,211,841.52
  6. Step 6: Final answer
    x = 2,082,323.54

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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.