Home / 3,830,633.18-5,286,314.69-2,111,815.21

Finding the Fourth Proportional to 3,830,633.18, 5,286,314.69 and 2,111,815.21

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Solution

The fourth proportional to 3,830,633.18, 5,286,314.69 and 2,111,815.21 is: 2,914,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,633.18 : 5,286,314.69 = 2,111,815.21 : x
  2. Step 2: Convert to fraction form
    3,830,633.18/5,286,314.69 = 2,111,815.21/x
  3. Step 3: Cross multiply
    3,830,633.18x = 5,286,314.69 × 2,111,815.21
  4. Step 4: Simplify right side
    3,830,633.18x = 11,163,719,751,332.88
  5. Step 5: Solve for x
    x = 11,163,719,751,332.88/3,830,633.18
  6. Step 6: Final answer
    x = 2,914,327.53

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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.