Finding the Fourth Proportional to 5,151,328.18, 7,726,992.27 and 1,785,535.18
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Solution
The fourth proportional to 5,151,328.18, 7,726,992.27 and 1,785,535.18 is: 2,678,302.77
Step by Step Solution
- Step 1: Write the proportion equation
5,151,328.18 : 7,726,992.27 = 1,785,535.18 : x - Step 2: Convert to fraction form
5,151,328.18/7,726,992.27 = 1,785,535.18/x - Step 3: Cross multiply
5,151,328.18x = 7,726,992.27 × 1,785,535.18 - Step 4: Simplify right side
5,151,328.18x = 13,796,816,533,673.06 - Step 5: Solve for x
x = 13,796,816,533,673.06/5,151,328.18 - Step 6: Final answer
x = 2,678,302.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.