Home / 2,578,520.34-3,867,803.55-1,061,843.22

Finding the Fourth Proportional to 2,578,520.34, 3,867,803.55 and 1,061,843.22

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Solution

The fourth proportional to 2,578,520.34, 3,867,803.55 and 1,061,843.22 is: 1,592,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,520.34 : 3,867,803.55 = 1,061,843.22 : x
  2. Step 2: Convert to fraction form
    2,578,520.34/3,867,803.55 = 1,061,843.22/x
  3. Step 3: Cross multiply
    2,578,520.34x = 3,867,803.55 × 1,061,843.22
  4. Step 4: Simplify right side
    2,578,520.34x = 4,107,000,975,859.43
  5. Step 5: Solve for x
    x = 4,107,000,975,859.43/2,578,520.34
  6. Step 6: Final answer
    x = 1,592,774.32

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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.