Home / 1,969,271.28-2,717,556.48-1,109,814.48

Finding the Fourth Proportional to 1,969,271.28, 2,717,556.48 and 1,109,814.48

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Solution

The fourth proportional to 1,969,271.28, 2,717,556.48 and 1,109,814.48 is: 1,531,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,271.28 : 2,717,556.48 = 1,109,814.48 : x
  2. Step 2: Convert to fraction form
    1,969,271.28/2,717,556.48 = 1,109,814.48/x
  3. Step 3: Cross multiply
    1,969,271.28x = 2,717,556.48 × 1,109,814.48
  4. Step 4: Simplify right side
    1,969,271.28x = 3,015,983,531,721.83
  5. Step 5: Solve for x
    x = 3,015,983,531,721.83/1,969,271.28
  6. Step 6: Final answer
    x = 1,531,522.63

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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.