Home / 2,195,643.47-3,029,922.77-1,215,626.09

Finding the Fourth Proportional to 2,195,643.47, 3,029,922.77 and 1,215,626.09

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Solution

The fourth proportional to 2,195,643.47, 3,029,922.77 and 1,215,626.09 is: 1,677,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,643.47 : 3,029,922.77 = 1,215,626.09 : x
  2. Step 2: Convert to fraction form
    2,195,643.47/3,029,922.77 = 1,215,626.09/x
  3. Step 3: Cross multiply
    2,195,643.47x = 3,029,922.77 × 1,215,626.09
  4. Step 4: Simplify right side
    2,195,643.47x = 3,683,253,148,669.33
  5. Step 5: Solve for x
    x = 3,683,253,148,669.33/2,195,643.47
  6. Step 6: Final answer
    x = 1,677,527.89

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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.