Home / 2,783,239.72-4,168,861.10-1,879,713.06

Finding the Fourth Proportional to 2,783,239.72, 4,168,861.10 and 1,879,713.06

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Solution

The fourth proportional to 2,783,239.72, 4,168,861.10 and 1,879,713.06 is: 2,815,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,239.72 : 4,168,861.10 = 1,879,713.06 : x
  2. Step 2: Convert to fraction form
    2,783,239.72/4,168,861.10 = 1,879,713.06/x
  3. Step 3: Cross multiply
    2,783,239.72x = 4,168,861.10 × 1,879,713.06
  4. Step 4: Simplify right side
    2,783,239.72x = 7,836,262,654,995.97
  5. Step 5: Solve for x
    x = 7,836,262,654,995.97/2,783,239.72
  6. Step 6: Final answer
    x = 2,815,518.40

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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.