Home / 2,979,516.66-4,112,175.85-1,755,430.89

Finding the Fourth Proportional to 2,979,516.66, 4,112,175.85 and 1,755,430.89

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Solution

The fourth proportional to 2,979,516.66, 4,112,175.85 and 1,755,430.89 is: 2,422,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,516.66 : 4,112,175.85 = 1,755,430.89 : x
  2. Step 2: Convert to fraction form
    2,979,516.66/4,112,175.85 = 1,755,430.89/x
  3. Step 3: Cross multiply
    2,979,516.66x = 4,112,175.85 × 1,755,430.89
  4. Step 4: Simplify right side
    2,979,516.66x = 7,218,640,502,267.07
  5. Step 5: Solve for x
    x = 7,218,640,502,267.07/2,979,516.66
  6. Step 6: Final answer
    x = 2,422,755.55

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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.