Finding the Fourth Proportional to 4,681,369.54, 6,459,274.29 and 2,721,603.70
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Solution
The fourth proportional to 4,681,369.54, 6,459,274.29 and 2,721,603.70 is: 3,755,222.62
Step by Step Solution
- Step 1: Write the proportion equation
4,681,369.54 : 6,459,274.29 = 2,721,603.70 : x - Step 2: Convert to fraction form
4,681,369.54/6,459,274.29 = 2,721,603.70/x - Step 3: Cross multiply
4,681,369.54x = 6,459,274.29 × 2,721,603.70 - Step 4: Simplify right side
4,681,369.54x = 17,579,584,806,978.88 - Step 5: Solve for x
x = 17,579,584,806,978.88/4,681,369.54 - Step 6: Final answer
x = 3,755,222.62
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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.