Finding the Fourth Proportional to 5,413,917.42, 7,471,207.80 and 2,966,508.54
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Solution
The fourth proportional to 5,413,917.42, 7,471,207.80 and 2,966,508.54 is: 4,093,782.75
Step by Step Solution
- Step 1: Write the proportion equation
5,413,917.42 : 7,471,207.80 = 2,966,508.54 : x - Step 2: Convert to fraction form
5,413,917.42/7,471,207.80 = 2,966,508.54/x - Step 3: Cross multiply
5,413,917.42x = 7,471,207.80 × 2,966,508.54 - Step 4: Simplify right side
5,413,917.42x = 22,163,401,742,814.61 - Step 5: Solve for x
x = 22,163,401,742,814.61/5,413,917.42 - Step 6: Final answer
x = 4,093,782.75
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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.