Home / 1,969,239.40-2,717,512.50-1,109,782.42

Finding the Fourth Proportional to 1,969,239.40, 2,717,512.50 and 1,109,782.42

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Solution

The fourth proportional to 1,969,239.40, 2,717,512.50 and 1,109,782.42 is: 1,531,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,239.40 : 2,717,512.50 = 1,109,782.42 : x
  2. Step 2: Convert to fraction form
    1,969,239.40/2,717,512.50 = 1,109,782.42/x
  3. Step 3: Cross multiply
    1,969,239.40x = 2,717,512.50 × 1,109,782.42
  4. Step 4: Simplify right side
    1,969,239.40x = 3,015,847,598,630.25
  5. Step 5: Solve for x
    x = 3,015,847,598,630.25/1,969,239.40
  6. Step 6: Final answer
    x = 1,531,478.40

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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.