Home / 1,971,242.25-2,957,362.78-605,085.21

Finding the Fourth Proportional to 1,971,242.25, 2,957,362.78 and 605,085.21

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Solution

The fourth proportional to 1,971,242.25, 2,957,362.78 and 605,085.21 is: 907,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,242.25 : 2,957,362.78 = 605,085.21 : x
  2. Step 2: Convert to fraction form
    1,971,242.25/2,957,362.78 = 605,085.21/x
  3. Step 3: Cross multiply
    1,971,242.25x = 2,957,362.78 × 605,085.21
  4. Step 4: Simplify right side
    1,971,242.25x = 1,789,456,478,782.48
  5. Step 5: Solve for x
    x = 1,789,456,478,782.48/1,971,242.25
  6. Step 6: Final answer
    x = 907,781.11

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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.