Finding the Fourth Proportional to 3,155,725.82, 4,740,316.97 and 2,971,223.96
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Solution
The fourth proportional to 3,155,725.82, 4,740,316.97 and 2,971,223.96 is: 4,463,170.79
Step by Step Solution
- Step 1: Write the proportion equation
3,155,725.82 : 4,740,316.97 = 2,971,223.96 : x - Step 2: Convert to fraction form
3,155,725.82/4,740,316.97 = 2,971,223.96/x - Step 3: Cross multiply
3,155,725.82x = 4,740,316.97 × 2,971,223.96 - Step 4: Simplify right side
3,155,725.82x = 14,084,543,320,700.90 - Step 5: Solve for x
x = 14,084,543,320,700.90/3,155,725.82 - Step 6: Final answer
x = 4,463,170.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.