Finding the Fourth Proportional to 5,137,938.24, 7,675,657.70 and 3,326,061.12
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Solution
The fourth proportional to 5,137,938.24, 7,675,657.70 and 3,326,061.12 is: 4,968,862.11
Step by Step Solution
- Step 1: Write the proportion equation
5,137,938.24 : 7,675,657.70 = 3,326,061.12 : x - Step 2: Convert to fraction form
5,137,938.24/7,675,657.70 = 3,326,061.12/x - Step 3: Cross multiply
5,137,938.24x = 7,675,657.70 × 3,326,061.12 - Step 4: Simplify right side
5,137,938.24x = 25,529,706,646,398.62 - Step 5: Solve for x
x = 25,529,706,646,398.62/5,137,938.24 - Step 6: Final answer
x = 4,968,862.11
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.