Finding the Fourth Proportional to 3,703,607.36, 5,111,176.70 and 2,071,917.42
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Solution
The fourth proportional to 3,703,607.36, 5,111,176.70 and 2,071,917.42 is: 2,859,357.11
Step by Step Solution
- Step 1: Write the proportion equation
3,703,607.36 : 5,111,176.70 = 2,071,917.42 : x - Step 2: Convert to fraction form
3,703,607.36/5,111,176.70 = 2,071,917.42/x - Step 3: Cross multiply
3,703,607.36x = 5,111,176.70 × 2,071,917.42 - Step 4: Simplify right side
3,703,607.36x = 10,589,936,041,428.11 - Step 5: Solve for x
x = 10,589,936,041,428.11/3,703,607.36 - Step 6: Final answer
x = 2,859,357.11
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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.