Home / 3,039,651.12-4,194,031.86-1,815,717.09

Finding the Fourth Proportional to 3,039,651.12, 4,194,031.86 and 1,815,717.09

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Solution

The fourth proportional to 3,039,651.12, 4,194,031.86 and 1,815,717.09 is: 2,505,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039,651.12 : 4,194,031.86 = 1,815,717.09 : x
  2. Step 2: Convert to fraction form
    3,039,651.12/4,194,031.86 = 1,815,717.09/x
  3. Step 3: Cross multiply
    3,039,651.12x = 4,194,031.86 × 1,815,717.09
  4. Step 4: Simplify right side
    3,039,651.12x = 7,615,175,324,206.49
  5. Step 5: Solve for x
    x = 7,615,175,324,206.49/3,039,651.12
  6. Step 6: Final answer
    x = 2,505,279.40

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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.