Home / 1,623,381.92-2,241,168-978,965.36

Finding the Fourth Proportional to 1,623,381.92, 2,241,168 and 978,965.36

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Solution

The fourth proportional to 1,623,381.92, 2,241,168 and 978,965.36 is: 1,351,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,381.92 : 2,241,168 = 978,965.36 : x
  2. Step 2: Convert to fraction form
    1,623,381.92/2,241,168 = 978,965.36/x
  3. Step 3: Cross multiply
    1,623,381.92x = 2,241,168 × 978,965.36
  4. Step 4: Simplify right side
    1,623,381.92x = 2,194,025,837,940.48
  5. Step 5: Solve for x
    x = 2,194,025,837,940.48/1,623,381.92
  6. Step 6: Final answer
    x = 1,351,515.51

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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.