Home / 1,987,526.52-2,744,491.64-1,923,255.38

Finding the Fourth Proportional to 1,987,526.52, 2,744,491.64 and 1,923,255.38

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Solution

The fourth proportional to 1,987,526.52, 2,744,491.64 and 1,923,255.38 is: 2,655,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,526.52 : 2,744,491.64 = 1,923,255.38 : x
  2. Step 2: Convert to fraction form
    1,987,526.52/2,744,491.64 = 1,923,255.38/x
  3. Step 3: Cross multiply
    1,987,526.52x = 2,744,491.64 × 1,923,255.38
  4. Step 4: Simplify right side
    1,987,526.52x = 5,278,358,311,995.02
  5. Step 5: Solve for x
    x = 5,278,358,311,995.02/1,987,526.52
  6. Step 6: Final answer
    x = 2,655,742.33

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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.