Home / 3,603,579.78-4,972,940.43-1,971,987.06

Finding the Fourth Proportional to 3,603,579.78, 4,972,940.43 and 1,971,987.06

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Solution

The fourth proportional to 3,603,579.78, 4,972,940.43 and 1,971,987.06 is: 2,721,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,579.78 : 4,972,940.43 = 1,971,987.06 : x
  2. Step 2: Convert to fraction form
    3,603,579.78/4,972,940.43 = 1,971,987.06/x
  3. Step 3: Cross multiply
    3,603,579.78x = 4,972,940.43 × 1,971,987.06
  4. Step 4: Simplify right side
    3,603,579.78x = 9,806,574,178,110.84
  5. Step 5: Solve for x
    x = 9,806,574,178,110.84/3,603,579.78
  6. Step 6: Final answer
    x = 2,721,342.33

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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.