Finding the Fourth Proportional to 5,170,504.31, 7,136,552.86 and 2,994,696.28
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Solution
The fourth proportional to 5,170,504.31, 7,136,552.86 and 2,994,696.28 is: 4,133,408.86
Step by Step Solution
- Step 1: Write the proportion equation
5,170,504.31 : 7,136,552.86 = 2,994,696.28 : x - Step 2: Convert to fraction form
5,170,504.31/7,136,552.86 = 2,994,696.28/x - Step 3: Cross multiply
5,170,504.31x = 7,136,552.86 × 2,994,696.28 - Step 4: Simplify right side
5,170,504.31x = 21,371,808,303,299.31 - Step 5: Solve for x
x = 21,371,808,303,299.31/5,170,504.31 - Step 6: Final answer
x = 4,133,408.86
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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.