Home / 2,635,409.36-3,636,864.60-1,428,185.36

Finding the Fourth Proportional to 2,635,409.36, 3,636,864.60 and 1,428,185.36

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Solution

The fourth proportional to 2,635,409.36, 3,636,864.60 and 1,428,185.36 is: 1,970,895.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635,409.36 : 3,636,864.60 = 1,428,185.36 : x
  2. Step 2: Convert to fraction form
    2,635,409.36/3,636,864.60 = 1,428,185.36/x
  3. Step 3: Cross multiply
    2,635,409.36x = 3,636,864.60 × 1,428,185.36
  4. Step 4: Simplify right side
    2,635,409.36x = 5,194,116,778,022.26
  5. Step 5: Solve for x
    x = 5,194,116,778,022.26/2,635,409.36
  6. Step 6: Final answer
    x = 1,970,895.63

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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.