Home / 3,109,005.63-4,290,436.66-1,802,511.58

Finding the Fourth Proportional to 3,109,005.63, 4,290,436.66 and 1,802,511.58

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Solution

The fourth proportional to 3,109,005.63, 4,290,436.66 and 1,802,511.58 is: 2,487,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,005.63 : 4,290,436.66 = 1,802,511.58 : x
  2. Step 2: Convert to fraction form
    3,109,005.63/4,290,436.66 = 1,802,511.58/x
  3. Step 3: Cross multiply
    3,109,005.63x = 4,290,436.66 × 1,802,511.58
  4. Step 4: Simplify right side
    3,109,005.63x = 7,733,561,762,906.52
  5. Step 5: Solve for x
    x = 7,733,561,762,906.52/3,109,005.63
  6. Step 6: Final answer
    x = 2,487,471.13

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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.