Home / 3,531,900.38-5,298,640.31-1,288,038.38

Finding the Fourth Proportional to 3,531,900.38, 5,298,640.31 and 1,288,038.38

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Solution

The fourth proportional to 3,531,900.38, 5,298,640.31 and 1,288,038.38 is: 1,932,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,900.38 : 5,298,640.31 = 1,288,038.38 : x
  2. Step 2: Convert to fraction form
    3,531,900.38/5,298,640.31 = 1,288,038.38/x
  3. Step 3: Cross multiply
    3,531,900.38x = 5,298,640.31 × 1,288,038.38
  4. Step 4: Simplify right side
    3,531,900.38x = 6,824,852,057,821.99
  5. Step 5: Solve for x
    x = 6,824,852,057,821.99/3,531,900.38
  6. Step 6: Final answer
    x = 1,932,345.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.