Home / 2,136,643.92-2,948,732.37-1,218,893.27

Finding the Fourth Proportional to 2,136,643.92, 2,948,732.37 and 1,218,893.27

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Solution

The fourth proportional to 2,136,643.92, 2,948,732.37 and 1,218,893.27 is: 1,682,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,643.92 : 2,948,732.37 = 1,218,893.27 : x
  2. Step 2: Convert to fraction form
    2,136,643.92/2,948,732.37 = 1,218,893.27/x
  3. Step 3: Cross multiply
    2,136,643.92x = 2,948,732.37 × 1,218,893.27
  4. Step 4: Simplify right side
    2,136,643.92x = 3,594,190,026,080.49
  5. Step 5: Solve for x
    x = 3,594,190,026,080.49/2,136,643.92
  6. Step 6: Final answer
    x = 1,682,166.13

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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.