Home / 3,421,790.22-4,722,013.35-1,893,864.54

Finding the Fourth Proportional to 3,421,790.22, 4,722,013.35 and 1,893,864.54

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Solution

The fourth proportional to 3,421,790.22, 4,722,013.35 and 1,893,864.54 is: 2,613,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,790.22 : 4,722,013.35 = 1,893,864.54 : x
  2. Step 2: Convert to fraction form
    3,421,790.22/4,722,013.35 = 1,893,864.54/x
  3. Step 3: Cross multiply
    3,421,790.22x = 4,722,013.35 × 1,893,864.54
  4. Step 4: Simplify right side
    3,421,790.22x = 8,942,853,640,971.61
  5. Step 5: Solve for x
    x = 8,942,853,640,971.61/3,421,790.22
  6. Step 6: Final answer
    x = 2,613,501.43

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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.