Home / 2,979,072.12-4,111,422.12-1,755,771.54

Finding the Fourth Proportional to 2,979,072.12, 4,111,422.12 and 1,755,771.54

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Solution

The fourth proportional to 2,979,072.12, 4,111,422.12 and 1,755,771.54 is: 2,423,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,072.12 : 4,111,422.12 = 1,755,771.54 : x
  2. Step 2: Convert to fraction form
    2,979,072.12/4,111,422.12 = 1,755,771.54/x
  3. Step 3: Cross multiply
    2,979,072.12x = 4,111,422.12 × 1,755,771.54
  4. Step 4: Simplify right side
    2,979,072.12x = 7,218,717,947,222.47
  5. Step 5: Solve for x
    x = 7,218,717,947,222.47/2,979,072.12
  6. Step 6: Final answer
    x = 2,423,143.06

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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.