Home / 1,987,838.36-2,981,402.56-528,893.18

Finding the Fourth Proportional to 1,987,838.36, 2,981,402.56 and 528,893.18

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Solution

The fourth proportional to 1,987,838.36, 2,981,402.56 and 528,893.18 is: 793,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,838.36 : 2,981,402.56 = 528,893.18 : x
  2. Step 2: Convert to fraction form
    1,987,838.36/2,981,402.56 = 528,893.18/x
  3. Step 3: Cross multiply
    1,987,838.36x = 2,981,402.56 × 528,893.18
  4. Step 4: Simplify right side
    1,987,838.36x = 1,576,843,463,267.06
  5. Step 5: Solve for x
    x = 1,576,843,463,267.06/1,987,838.36
  6. Step 6: Final answer
    x = 793,245.31

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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.