Home / 2,635,263.36-3,636,668.16-1,428,039.36

Finding the Fourth Proportional to 2,635,263.36, 3,636,668.16 and 1,428,039.36

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Solution

The fourth proportional to 2,635,263.36, 3,636,668.16 and 1,428,039.36 is: 1,970,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635,263.36 : 3,636,668.16 = 1,428,039.36 : x
  2. Step 2: Convert to fraction form
    2,635,263.36/3,636,668.16 = 1,428,039.36/x
  3. Step 3: Cross multiply
    2,635,263.36x = 3,636,668.16 × 1,428,039.36
  4. Step 4: Simplify right side
    2,635,263.36x = 5,193,305,271,738.78
  5. Step 5: Solve for x
    x = 5,193,305,271,738.78/2,635,263.36
  6. Step 6: Final answer
    x = 1,970,696.88

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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.