Home / 4,221,878.05-6,333,211.37-1,189,238.95

Finding the Fourth Proportional to 4,221,878.05, 6,333,211.37 and 1,189,238.95

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Solution

The fourth proportional to 4,221,878.05, 6,333,211.37 and 1,189,238.95 is: 1,783,969.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221,878.05 : 6,333,211.37 = 1,189,238.95 : x
  2. Step 2: Convert to fraction form
    4,221,878.05/6,333,211.37 = 1,189,238.95/x
  3. Step 3: Cross multiply
    4,221,878.05x = 6,333,211.37 × 1,189,238.95
  4. Step 4: Simplify right side
    4,221,878.05x = 7,531,701,639,786.86
  5. Step 5: Solve for x
    x = 7,531,701,639,786.86/4,221,878.05
  6. Step 6: Final answer
    x = 1,783,969.49

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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.