Home / 1,932,805.92-2,897,021.28-984,172.80

Finding the Fourth Proportional to 1,932,805.92, 2,897,021.28 and 984,172.80

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Solution

The fourth proportional to 1,932,805.92, 2,897,021.28 and 984,172.80 is: 1,475,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,805.92 : 2,897,021.28 = 984,172.80 : x
  2. Step 2: Convert to fraction form
    1,932,805.92/2,897,021.28 = 984,172.80/x
  3. Step 3: Cross multiply
    1,932,805.92x = 2,897,021.28 × 984,172.80
  4. Step 4: Simplify right side
    1,932,805.92x = 2,851,169,544,797.18
  5. Step 5: Solve for x
    x = 2,851,169,544,797.18/1,932,805.92
  6. Step 6: Final answer
    x = 1,475,145.29

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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.