Finding the Fourth Proportional to 5,171,350.33, 7,136,317.11 and 2,816,494.71
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Solution
The fourth proportional to 5,171,350.33, 7,136,317.11 and 2,816,494.71 is: 3,886,683.00
Step by Step Solution
- Step 1: Write the proportion equation
5,171,350.33 : 7,136,317.11 = 2,816,494.71 : x - Step 2: Convert to fraction form
5,171,350.33/7,136,317.11 = 2,816,494.71/x - Step 3: Cross multiply
5,171,350.33x = 7,136,317.11 × 2,816,494.71 - Step 4: Simplify right side
5,171,350.33x = 20,099,399,389,197.49 - Step 5: Solve for x
x = 20,099,399,389,197.49/5,171,350.33 - Step 6: Final answer
x = 3,886,683.00
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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.