Finding the Fourth Proportional to 3,167,997.84, 4,371,810.44 and 1,791,611.82
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Solution
The fourth proportional to 3,167,997.84, 4,371,810.44 and 1,791,611.82 is: 2,472,409.28
Step by Step Solution
- Step 1: Write the proportion equation
3,167,997.84 : 4,371,810.44 = 1,791,611.82 : x - Step 2: Convert to fraction form
3,167,997.84/4,371,810.44 = 1,791,611.82/x - Step 3: Cross multiply
3,167,997.84x = 4,371,810.44 × 1,791,611.82 - Step 4: Simplify right side
3,167,997.84x = 7,832,587,250,145.34 - Step 5: Solve for x
x = 7,832,587,250,145.34/3,167,997.84 - Step 6: Final answer
x = 2,472,409.28
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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.