Finding the Fourth Proportional to 5,460,602.65, 7,535,791.81 and 2,979,983.49
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Solution
The fourth proportional to 5,460,602.65, 7,535,791.81 and 2,979,983.49 is: 4,112,464.62
Step by Step Solution
- Step 1: Write the proportion equation
5,460,602.65 : 7,535,791.81 = 2,979,983.49 : x - Step 2: Convert to fraction form
5,460,602.65/7,535,791.81 = 2,979,983.49/x - Step 3: Cross multiply
5,460,602.65x = 7,535,791.81 × 2,979,983.49 - Step 4: Simplify right side
5,460,602.65x = 22,456,535,177,877.22 - Step 5: Solve for x
x = 22,456,535,177,877.22/5,460,602.65 - Step 6: Final answer
x = 4,112,464.62
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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.