Home / 3,618,804.58-5,428,381.44-1,189,904.05

Finding the Fourth Proportional to 3,618,804.58, 5,428,381.44 and 1,189,904.05

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Solution

The fourth proportional to 3,618,804.58, 5,428,381.44 and 1,189,904.05 is: 1,784,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,804.58 : 5,428,381.44 = 1,189,904.05 : x
  2. Step 2: Convert to fraction form
    3,618,804.58/5,428,381.44 = 1,189,904.05/x
  3. Step 3: Cross multiply
    3,618,804.58x = 5,428,381.44 × 1,189,904.05
  4. Step 4: Simplify right side
    3,618,804.58x = 6,459,253,083,560.50
  5. Step 5: Solve for x
    x = 6,459,253,083,560.50/3,618,804.58
  6. Step 6: Final answer
    x = 1,784,913.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.