Home / 2,250,148.79-3,105,213.48-1,217,656.47

Finding the Fourth Proportional to 2,250,148.79, 3,105,213.48 and 1,217,656.47

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Solution

The fourth proportional to 2,250,148.79, 3,105,213.48 and 1,217,656.47 is: 1,680,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,148.79 : 3,105,213.48 = 1,217,656.47 : x
  2. Step 2: Convert to fraction form
    2,250,148.79/3,105,213.48 = 1,217,656.47/x
  3. Step 3: Cross multiply
    2,250,148.79x = 3,105,213.48 × 1,217,656.47
  4. Step 4: Simplify right side
    2,250,148.79x = 3,781,083,269,127.15
  5. Step 5: Solve for x
    x = 3,781,083,269,127.15/2,250,148.79
  6. Step 6: Final answer
    x = 1,680,370.33

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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.