Finding the Fourth Proportional to 5,171,740.93, 7,136,725.75 and 2,966,491.63
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Solution
The fourth proportional to 5,171,740.93, 7,136,725.75 and 2,966,491.63 is: 4,093,599.72
Step by Step Solution
- Step 1: Write the proportion equation
5,171,740.93 : 7,136,725.75 = 2,966,491.63 : x - Step 2: Convert to fraction form
5,171,740.93/7,136,725.75 = 2,966,491.63/x - Step 3: Cross multiply
5,171,740.93x = 7,136,725.75 × 2,966,491.63 - Step 4: Simplify right side
5,171,740.93x = 21,171,037,202,980.47 - Step 5: Solve for x
x = 21,171,037,202,980.47/5,171,740.93 - Step 6: Final answer
x = 4,093,599.72
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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.