Finding the Fourth Proportional to 5,171,623.82, 7,757,435.64 and 2,438,535.08
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Solution
The fourth proportional to 5,171,623.82, 7,757,435.64 and 2,438,535.08 is: 3,657,802.58
Step by Step Solution
- Step 1: Write the proportion equation
5,171,623.82 : 7,757,435.64 = 2,438,535.08 : x - Step 2: Convert to fraction form
5,171,623.82/7,757,435.64 = 2,438,535.08/x - Step 3: Cross multiply
5,171,623.82x = 7,757,435.64 × 2,438,535.08 - Step 4: Simplify right side
5,171,623.82x = 18,916,778,938,982.25 - Step 5: Solve for x
x = 18,916,778,938,982.25/5,171,623.82 - Step 6: Final answer
x = 3,657,802.58
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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.