Home / 3,155,249.12-4,354,589.78-1,830,964.58

Finding the Fourth Proportional to 3,155,249.12, 4,354,589.78 and 1,830,964.58

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Solution

The fourth proportional to 3,155,249.12, 4,354,589.78 and 1,830,964.58 is: 2,526,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,249.12 : 4,354,589.78 = 1,830,964.58 : x
  2. Step 2: Convert to fraction form
    3,155,249.12/4,354,589.78 = 1,830,964.58/x
  3. Step 3: Cross multiply
    3,155,249.12x = 4,354,589.78 × 1,830,964.58
  4. Step 4: Simplify right side
    3,155,249.12x = 7,973,099,639,878.05
  5. Step 5: Solve for x
    x = 7,973,099,639,878.05/3,155,249.12
  6. Step 6: Final answer
    x = 2,526,931.89

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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.