Home / 2,635,511.75-3,637,008.69-1,428,287.75

Finding the Fourth Proportional to 2,635,511.75, 3,637,008.69 and 1,428,287.75

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Solution

The fourth proportional to 2,635,511.75, 3,637,008.69 and 1,428,287.75 is: 1,971,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635,511.75 : 3,637,008.69 = 1,428,287.75 : x
  2. Step 2: Convert to fraction form
    2,635,511.75/3,637,008.69 = 1,428,287.75/x
  3. Step 3: Cross multiply
    2,635,511.75x = 3,637,008.69 × 1,428,287.75
  4. Step 4: Simplify right side
    2,635,511.75x = 5,194,694,958,570.55
  5. Step 5: Solve for x
    x = 5,194,694,958,570.55/2,635,511.75
  6. Step 6: Final answer
    x = 1,971,038.44

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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.