Home / 3,830,639.08-5,286,317.70-2,111,821.24

Finding the Fourth Proportional to 3,830,639.08, 5,286,317.70 and 2,111,821.24

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Solution

The fourth proportional to 3,830,639.08, 5,286,317.70 and 2,111,821.24 is: 2,914,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,639.08 : 5,286,317.70 = 2,111,821.24 : x
  2. Step 2: Convert to fraction form
    3,830,639.08/5,286,317.70 = 2,111,821.24/x
  3. Step 3: Cross multiply
    3,830,639.08x = 5,286,317.70 × 2,111,821.24
  4. Step 4: Simplify right side
    3,830,639.08x = 11,163,758,000,247.95
  5. Step 5: Solve for x
    x = 11,163,758,000,247.95/3,830,639.08
  6. Step 6: Final answer
    x = 2,914,333.03

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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.