Home / 2,988,487.45-4,481,173.81-1,068,658.57

Finding the Fourth Proportional to 2,988,487.45, 4,481,173.81 and 1,068,658.57

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Solution

The fourth proportional to 2,988,487.45, 4,481,173.81 and 1,068,658.57 is: 1,602,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,487.45 : 4,481,173.81 = 1,068,658.57 : x
  2. Step 2: Convert to fraction form
    2,988,487.45/4,481,173.81 = 1,068,658.57/x
  3. Step 3: Cross multiply
    2,988,487.45x = 4,481,173.81 × 1,068,658.57
  4. Step 4: Simplify right side
    2,988,487.45x = 4,788,844,795,716.05
  5. Step 5: Solve for x
    x = 4,788,844,795,716.05/2,988,487.45
  6. Step 6: Final answer
    x = 1,602,430.95

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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.