Home / 1,987,556.40-2,744,532.63-1,923,285.24

Finding the Fourth Proportional to 1,987,556.40, 2,744,532.63 and 1,923,285.24

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Solution

The fourth proportional to 1,987,556.40, 2,744,532.63 and 1,923,285.24 is: 2,655,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,556.40 : 2,744,532.63 = 1,923,285.24 : x
  2. Step 2: Convert to fraction form
    1,987,556.40/2,744,532.63 = 1,923,285.24/x
  3. Step 3: Cross multiply
    1,987,556.40x = 2,744,532.63 × 1,923,285.24
  4. Step 4: Simplify right side
    1,987,556.40x = 5,278,519,097,977.38
  5. Step 5: Solve for x
    x = 5,278,519,097,977.38/1,987,556.40
  6. Step 6: Final answer
    x = 2,655,783.30

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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.