Finding the Fourth Proportional to 5,623,438.51, 7,760,382.02 and 3,045,119.41
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Solution
The fourth proportional to 5,623,438.51, 7,760,382.02 and 3,045,119.41 is: 4,202,284.75
Step by Step Solution
- Step 1: Write the proportion equation
5,623,438.51 : 7,760,382.02 = 3,045,119.41 : x - Step 2: Convert to fraction form
5,623,438.51/7,760,382.02 = 3,045,119.41/x - Step 3: Cross multiply
5,623,438.51x = 7,760,382.02 × 3,045,119.41 - Step 4: Simplify right side
5,623,438.51x = 23,631,289,918,117.01 - Step 5: Solve for x
x = 23,631,289,918,117.01/5,623,438.51 - Step 6: Final answer
x = 4,202,284.75
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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.