Finding the Fourth Proportional to 5,642,435.70, 7,786,562.79 and 3,064,115.79
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Solution
The fourth proportional to 5,642,435.70, 7,786,562.79 and 3,064,115.79 is: 4,228,480.62
Step by Step Solution
- Step 1: Write the proportion equation
5,642,435.70 : 7,786,562.79 = 3,064,115.79 : x - Step 2: Convert to fraction form
5,642,435.70/7,786,562.79 = 3,064,115.79/x - Step 3: Cross multiply
5,642,435.70x = 7,786,562.79 × 3,064,115.79 - Step 4: Simplify right side
5,642,435.70x = 23,858,929,994,665.45 - Step 5: Solve for x
x = 23,858,929,994,665.45/5,642,435.70 - Step 6: Final answer
x = 4,228,480.62
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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.