Home / 3,999,192.68-5,999,411.10-1,302,890.20

Finding the Fourth Proportional to 3,999,192.68, 5,999,411.10 and 1,302,890.20

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Solution

The fourth proportional to 3,999,192.68, 5,999,411.10 and 1,302,890.20 is: 1,954,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,192.68 : 5,999,411.10 = 1,302,890.20 : x
  2. Step 2: Convert to fraction form
    3,999,192.68/5,999,411.10 = 1,302,890.20/x
  3. Step 3: Cross multiply
    3,999,192.68x = 5,999,411.10 × 1,302,890.20
  4. Step 4: Simplify right side
    3,999,192.68x = 7,816,573,927,961.22
  5. Step 5: Solve for x
    x = 7,816,573,927,961.22/3,999,192.68
  6. Step 6: Final answer
    x = 1,954,537.97

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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.