Home / 3,830,911.07-5,286,418.12-2,112,031.58

Finding the Fourth Proportional to 3,830,911.07, 5,286,418.12 and 2,112,031.58

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Solution

The fourth proportional to 3,830,911.07, 5,286,418.12 and 2,112,031.58 is: 2,914,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,911.07 : 5,286,418.12 = 2,112,031.58 : x
  2. Step 2: Convert to fraction form
    3,830,911.07/5,286,418.12 = 2,112,031.58/x
  3. Step 3: Cross multiply
    3,830,911.07x = 5,286,418.12 × 2,112,031.58
  4. Step 4: Simplify right side
    3,830,911.07x = 11,165,082,020,468.28
  5. Step 5: Solve for x
    x = 11,165,082,020,468.28/3,830,911.07
  6. Step 6: Final answer
    x = 2,914,471.74

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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.