Home / 3,619,745.64-4,995,308.88-1,988,303.76

Finding the Fourth Proportional to 3,619,745.64, 4,995,308.88 and 1,988,303.76

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Solution

The fourth proportional to 3,619,745.64, 4,995,308.88 and 1,988,303.76 is: 2,743,892.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,745.64 : 4,995,308.88 = 1,988,303.76 : x
  2. Step 2: Convert to fraction form
    3,619,745.64/4,995,308.88 = 1,988,303.76/x
  3. Step 3: Cross multiply
    3,619,745.64x = 4,995,308.88 × 1,988,303.76
  4. Step 4: Simplify right side
    3,619,745.64x = 9,932,191,428,465.39
  5. Step 5: Solve for x
    x = 9,932,191,428,465.39/3,619,745.64
  6. Step 6: Final answer
    x = 2,743,892.09

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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.