Home / 3,423,729.34-5,131,132.53-1,907,351.02

Finding the Fourth Proportional to 3,423,729.34, 5,131,132.53 and 1,907,351.02

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Solution

The fourth proportional to 3,423,729.34, 5,131,132.53 and 1,907,351.02 is: 2,858,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423,729.34 : 5,131,132.53 = 1,907,351.02 : x
  2. Step 2: Convert to fraction form
    3,423,729.34/5,131,132.53 = 1,907,351.02/x
  3. Step 3: Cross multiply
    3,423,729.34x = 5,131,132.53 × 1,907,351.02
  4. Step 4: Simplify right side
    3,423,729.34x = 9,786,870,864,850.68
  5. Step 5: Solve for x
    x = 9,786,870,864,850.68/3,423,729.34
  6. Step 6: Final answer
    x = 2,858,541.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.