Finding the Fourth Proportional to 6,580,611.12, 9,081,072.81 and 3,640,536.81
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Solution
The fourth proportional to 6,580,611.12, 9,081,072.81 and 3,640,536.81 is: 5,023,846.45
Step by Step Solution
- Step 1: Write the proportion equation
6,580,611.12 : 9,081,072.81 = 3,640,536.81 : x - Step 2: Convert to fraction form
6,580,611.12/9,081,072.81 = 3,640,536.81/x - Step 3: Cross multiply
6,580,611.12x = 9,081,072.81 × 3,640,536.81 - Step 4: Simplify right side
6,580,611.12x = 33,059,979,839,095.14 - Step 5: Solve for x
x = 33,059,979,839,095.14/6,580,611.12 - Step 6: Final answer
x = 5,023,846.45
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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.