Finding the Fourth Proportional to 5,776,714.54, 7,972,115.19 and 3,198,395.35
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Solution
The fourth proportional to 5,776,714.54, 7,972,115.19 and 3,198,395.35 is: 4,413,923.52
Step by Step Solution
- Step 1: Write the proportion equation
5,776,714.54 : 7,972,115.19 = 3,198,395.35 : x - Step 2: Convert to fraction form
5,776,714.54/7,972,115.19 = 3,198,395.35/x - Step 3: Cross multiply
5,776,714.54x = 7,972,115.19 × 3,198,395.35 - Step 4: Simplify right side
5,776,714.54x = 25,497,976,153,360.37 - Step 5: Solve for x
x = 25,497,976,153,360.37/5,776,714.54 - Step 6: Final answer
x = 4,413,923.52
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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.