Finding the Fourth Proportional to 4,145,362.05, 5,720,611.25 and 2,403,369.99
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Solution
The fourth proportional to 4,145,362.05, 5,720,611.25 and 2,403,369.99 is: 3,316,657.32
Step by Step Solution
- Step 1: Write the proportion equation
4,145,362.05 : 5,720,611.25 = 2,403,369.99 : x - Step 2: Convert to fraction form
4,145,362.05/5,720,611.25 = 2,403,369.99/x - Step 3: Cross multiply
4,145,362.05x = 5,720,611.25 × 2,403,369.99 - Step 4: Simplify right side
4,145,362.05x = 13,748,745,390,689.54 - Step 5: Solve for x
x = 13,748,745,390,689.54/4,145,362.05 - Step 6: Final answer
x = 3,316,657.32
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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.