Home / 1,971,395.90-2,957,418.31-605,135.30

Finding the Fourth Proportional to 1,971,395.90, 2,957,418.31 and 605,135.30

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Solution

The fourth proportional to 1,971,395.90, 2,957,418.31 and 605,135.30 is: 907,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,395.90 : 2,957,418.31 = 605,135.30 : x
  2. Step 2: Convert to fraction form
    1,971,395.90/2,957,418.31 = 605,135.30/x
  3. Step 3: Cross multiply
    1,971,395.90x = 2,957,418.31 × 605,135.30
  4. Step 4: Simplify right side
    1,971,395.90x = 1,789,638,222,128.05
  5. Step 5: Solve for x
    x = 1,789,638,222,128.05/1,971,395.90
  6. Step 6: Final answer
    x = 907,802.55

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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.