Home / 3,431,019.84-5,140,033.35-2,290,342.20

Finding the Fourth Proportional to 3,431,019.84, 5,140,033.35 and 2,290,342.20

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Solution

The fourth proportional to 3,431,019.84, 5,140,033.35 and 2,290,342.20 is: 3,431,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,019.84 : 5,140,033.35 = 2,290,342.20 : x
  2. Step 2: Convert to fraction form
    3,431,019.84/5,140,033.35 = 2,290,342.20/x
  3. Step 3: Cross multiply
    3,431,019.84x = 5,140,033.35 × 2,290,342.20
  4. Step 4: Simplify right side
    3,431,019.84x = 11,772,435,290,912.37
  5. Step 5: Solve for x
    x = 11,772,435,290,912.37/3,431,019.84
  6. Step 6: Final answer
    x = 3,431,176.69

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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.