Finding the Fourth Proportional to 4,206,905.47, 5,805,531.09 and 2,273,166.04
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Solution
The fourth proportional to 4,206,905.47, 5,805,531.09 and 2,273,166.04 is: 3,136,969.97
Step by Step Solution
- Step 1: Write the proportion equation
4,206,905.47 : 5,805,531.09 = 2,273,166.04 : x - Step 2: Convert to fraction form
4,206,905.47/5,805,531.09 = 2,273,166.04/x - Step 3: Cross multiply
4,206,905.47x = 5,805,531.09 × 2,273,166.04 - Step 4: Simplify right side
4,206,905.47x = 13,196,936,117,952.18 - Step 5: Solve for x
x = 13,196,936,117,952.18/4,206,905.47 - Step 6: Final answer
x = 3,136,969.97
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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.