Home / 3,603,128.64-4,972,240.80-1,971,529.44

Finding the Fourth Proportional to 3,603,128.64, 4,972,240.80 and 1,971,529.44

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Solution

The fourth proportional to 3,603,128.64, 4,972,240.80 and 1,971,529.44 is: 2,720,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,128.64 : 4,972,240.80 = 1,971,529.44 : x
  2. Step 2: Convert to fraction form
    3,603,128.64/4,972,240.80 = 1,971,529.44/x
  3. Step 3: Cross multiply
    3,603,128.64x = 4,972,240.80 × 1,971,529.44
  4. Step 4: Simplify right side
    3,603,128.64x = 9,802,919,119,969.15
  5. Step 5: Solve for x
    x = 9,802,919,119,969.15/3,603,128.64
  6. Step 6: Final answer
    x = 2,720,668.65

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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.