Finding the Fourth Proportional to 5,188,268.70, 7,785,435.69 and 3,747,531.42
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Solution
The fourth proportional to 5,188,268.70, 7,785,435.69 and 3,747,531.42 is: 5,623,487.63
Step by Step Solution
- Step 1: Write the proportion equation
5,188,268.70 : 7,785,435.69 = 3,747,531.42 : x - Step 2: Convert to fraction form
5,188,268.70/7,785,435.69 = 3,747,531.42/x - Step 3: Cross multiply
5,188,268.70x = 7,785,435.69 × 3,747,531.42 - Step 4: Simplify right side
5,188,268.70x = 29,176,164,866,664.38 - Step 5: Solve for x
x = 29,176,164,866,664.38/5,188,268.70 - Step 6: Final answer
x = 5,623,487.63
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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.