Home / 1,975,089.78-2,963,231.82-1,399,825.62

Finding the Fourth Proportional to 1,975,089.78, 2,963,231.82 and 1,399,825.62

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Solution

The fourth proportional to 1,975,089.78, 2,963,231.82 and 1,399,825.62 is: 2,100,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,089.78 : 2,963,231.82 = 1,399,825.62 : x
  2. Step 2: Convert to fraction form
    1,975,089.78/2,963,231.82 = 1,399,825.62/x
  3. Step 3: Cross multiply
    1,975,089.78x = 2,963,231.82 × 1,399,825.62
  4. Step 4: Simplify right side
    1,975,089.78x = 4,148,007,819,635.23
  5. Step 5: Solve for x
    x = 4,148,007,819,635.23/1,975,089.78
  6. Step 6: Final answer
    x = 2,100,161.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.