Finding the Fourth Proportional to 5,071,182.12, 6,997,879.01 and 3,006,090.97
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Solution
The fourth proportional to 5,071,182.12, 6,997,879.01 and 3,006,090.97 is: 4,148,196.69
Step by Step Solution
- Step 1: Write the proportion equation
5,071,182.12 : 6,997,879.01 = 3,006,090.97 : x - Step 2: Convert to fraction form
5,071,182.12/6,997,879.01 = 3,006,090.97/x - Step 3: Cross multiply
5,071,182.12x = 6,997,879.01 × 3,006,090.97 - Step 4: Simplify right side
5,071,182.12x = 21,036,260,901,113.54 - Step 5: Solve for x
x = 21,036,260,901,113.54/5,071,182.12 - Step 6: Final answer
x = 4,148,196.69
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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.