Home / 1,672,138.79-2,308,507.59-1,100,839.71

Finding the Fourth Proportional to 1,672,138.79, 2,308,507.59 and 1,100,839.71

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Solution

The fourth proportional to 1,672,138.79, 2,308,507.59 and 1,100,839.71 is: 1,519,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,138.79 : 2,308,507.59 = 1,100,839.71 : x
  2. Step 2: Convert to fraction form
    1,672,138.79/2,308,507.59 = 1,100,839.71/x
  3. Step 3: Cross multiply
    1,672,138.79x = 2,308,507.59 × 1,100,839.71
  4. Step 4: Simplify right side
    1,672,138.79x = 2,541,296,825,908.40
  5. Step 5: Solve for x
    x = 2,541,296,825,908.40/1,672,138.79
  6. Step 6: Final answer
    x = 1,519,788.22

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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.