Home / 1,909,666.96-2,635,287.78-1,050,227.20

Finding the Fourth Proportional to 1,909,666.96, 2,635,287.78 and 1,050,227.20

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Solution

The fourth proportional to 1,909,666.96, 2,635,287.78 and 1,050,227.20 is: 1,449,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,666.96 : 2,635,287.78 = 1,050,227.20 : x
  2. Step 2: Convert to fraction form
    1,909,666.96/2,635,287.78 = 1,050,227.20/x
  3. Step 3: Cross multiply
    1,909,666.96x = 2,635,287.78 × 1,050,227.20
  4. Step 4: Simplify right side
    1,909,666.96x = 2,767,650,906,383.62
  5. Step 5: Solve for x
    x = 2,767,650,906,383.62/1,909,666.96
  6. Step 6: Final answer
    x = 1,449,284.59

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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.