Home / 3,603,720.92-4,973,133.36-1,972,128.20

Finding the Fourth Proportional to 3,603,720.92, 4,973,133.36 and 1,972,128.20

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Solution

The fourth proportional to 3,603,720.92, 4,973,133.36 and 1,972,128.20 is: 2,721,536.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,720.92 : 4,973,133.36 = 1,972,128.20 : x
  2. Step 2: Convert to fraction form
    3,603,720.92/4,973,133.36 = 1,972,128.20/x
  3. Step 3: Cross multiply
    3,603,720.92x = 4,973,133.36 × 1,972,128.20
  4. Step 4: Simplify right side
    3,603,720.92x = 9,807,656,541,616.75
  5. Step 5: Solve for x
    x = 9,807,656,541,616.75/3,603,720.92
  6. Step 6: Final answer
    x = 2,721,536.09

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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.