Finding the Fourth Proportional to 6,489,178.53, 8,952,361.58 and 3,735,206.99
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Solution
The fourth proportional to 6,489,178.53, 8,952,361.58 and 3,735,206.99 is: 5,153,028.74
Step by Step Solution
- Step 1: Write the proportion equation
6,489,178.53 : 8,952,361.58 = 3,735,206.99 : x - Step 2: Convert to fraction form
6,489,178.53/8,952,361.58 = 3,735,206.99/x - Step 3: Cross multiply
6,489,178.53x = 8,952,361.58 × 3,735,206.99 - Step 4: Simplify right side
6,489,178.53x = 33,438,923,487,185.60 - Step 5: Solve for x
x = 33,438,923,487,185.60/6,489,178.53 - Step 6: Final answer
x = 5,153,028.74
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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.