Home / 3,207,429.78-4,426,252.52-1,918,270.22

Finding the Fourth Proportional to 3,207,429.78, 4,426,252.52 and 1,918,270.22

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Solution

The fourth proportional to 3,207,429.78, 4,426,252.52 and 1,918,270.22 is: 2,647,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,429.78 : 4,426,252.52 = 1,918,270.22 : x
  2. Step 2: Convert to fraction form
    3,207,429.78/4,426,252.52 = 1,918,270.22/x
  3. Step 3: Cross multiply
    3,207,429.78x = 4,426,252.52 × 1,918,270.22
  4. Step 4: Simplify right side
    3,207,429.78x = 8,490,748,395,315.95
  5. Step 5: Solve for x
    x = 8,490,748,395,315.95/3,207,429.78
  6. Step 6: Final answer
    x = 2,647,212.56

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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.