Home / 3,603,989.40-4,973,507.31-1,972,395.81

Finding the Fourth Proportional to 3,603,989.40, 4,973,507.31 and 1,972,395.81

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Solution

The fourth proportional to 3,603,989.40, 4,973,507.31 and 1,972,395.81 is: 2,721,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,989.40 : 4,973,507.31 = 1,972,395.81 : x
  2. Step 2: Convert to fraction form
    3,603,989.40/4,973,507.31 = 1,972,395.81/x
  3. Step 3: Cross multiply
    3,603,989.40x = 4,973,507.31 × 1,972,395.81
  4. Step 4: Simplify right side
    3,603,989.40x = 9,809,724,979,248.37
  5. Step 5: Solve for x
    x = 9,809,724,979,248.37/3,603,989.40
  6. Step 6: Final answer
    x = 2,721,907.28

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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.