Finding the Fourth Proportional to 3,171,869.93, 4,376,981.19 and 1,795,493.02
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Solution
The fourth proportional to 3,171,869.93, 4,376,981.19 and 1,795,493.02 is: 2,477,667.54
Step by Step Solution
- Step 1: Write the proportion equation
3,171,869.93 : 4,376,981.19 = 1,795,493.02 : x - Step 2: Convert to fraction form
3,171,869.93/4,376,981.19 = 1,795,493.02/x - Step 3: Cross multiply
3,171,869.93x = 4,376,981.19 × 1,795,493.02 - Step 4: Simplify right side
3,171,869.93x = 7,858,839,175,316.30 - Step 5: Solve for x
x = 7,858,839,175,316.30/3,171,869.93 - Step 6: Final answer
x = 2,477,667.54
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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.