Home / 3,603,987.90-4,973,505.24-1,972,394.31

Finding the Fourth Proportional to 3,603,987.90, 4,973,505.24 and 1,972,394.31

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Solution

The fourth proportional to 3,603,987.90, 4,973,505.24 and 1,972,394.31 is: 2,721,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,987.90 : 4,973,505.24 = 1,972,394.31 : x
  2. Step 2: Convert to fraction form
    3,603,987.90/4,973,505.24 = 1,972,394.31/x
  3. Step 3: Cross multiply
    3,603,987.90x = 4,973,505.24 × 1,972,394.31
  4. Step 4: Simplify right side
    3,603,987.90x = 9,809,713,436,131.19
  5. Step 5: Solve for x
    x = 9,809,713,436,131.19/3,603,987.90
  6. Step 6: Final answer
    x = 2,721,905.21

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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.