Home / 3,288,276.78-4,537,638.66-1,818,100.20

Finding the Fourth Proportional to 3,288,276.78, 4,537,638.66 and 1,818,100.20

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Solution

The fourth proportional to 3,288,276.78, 4,537,638.66 and 1,818,100.20 is: 2,508,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288,276.78 : 4,537,638.66 = 1,818,100.20 : x
  2. Step 2: Convert to fraction form
    3,288,276.78/4,537,638.66 = 1,818,100.20/x
  3. Step 3: Cross multiply
    3,288,276.78x = 4,537,638.66 × 1,818,100.20
  4. Step 4: Simplify right side
    3,288,276.78x = 8,249,881,755,273.73
  5. Step 5: Solve for x
    x = 8,249,881,755,273.73/3,288,276.78
  6. Step 6: Final answer
    x = 2,508,876.93

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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.