Finding the Fourth Proportional to 5,102,441.57, 7,041,369.75 and 2,810,602.26
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Solution
The fourth proportional to 5,102,441.57, 7,041,369.75 and 2,810,602.26 is: 3,878,631.33
Step by Step Solution
- Step 1: Write the proportion equation
5,102,441.57 : 7,041,369.75 = 2,810,602.26 : x - Step 2: Convert to fraction form
5,102,441.57/7,041,369.75 = 2,810,602.26/x - Step 3: Cross multiply
5,102,441.57x = 7,041,369.75 × 2,810,602.26 - Step 4: Simplify right side
5,102,441.57x = 19,790,489,732,845.63 - Step 5: Solve for x
x = 19,790,489,732,845.63/5,102,441.57 - Step 6: Final answer
x = 3,878,631.33
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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.