Finding the Fourth Proportional to 5,422,638.24, 7,483,879.44 and 3,008,345.76
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Solution
The fourth proportional to 5,422,638.24, 7,483,879.44 and 3,008,345.76 is: 4,151,871.47
Step by Step Solution
- Step 1: Write the proportion equation
5,422,638.24 : 7,483,879.44 = 3,008,345.76 : x - Step 2: Convert to fraction form
5,422,638.24/7,483,879.44 = 3,008,345.76/x - Step 3: Cross multiply
5,422,638.24x = 7,483,879.44 × 3,008,345.76 - Step 4: Simplify right side
5,422,638.24x = 22,514,096,981,675.18 - Step 5: Solve for x
x = 22,514,096,981,675.18/5,422,638.24 - Step 6: Final answer
x = 4,151,871.47
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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.