Finding the Fourth Proportional to 4,622,220.99, 6,378,783.42 and 2,786,796.96
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Solution
The fourth proportional to 4,622,220.99, 6,378,783.42 and 2,786,796.96 is: 3,845,851.22
Step by Step Solution
- Step 1: Write the proportion equation
4,622,220.99 : 6,378,783.42 = 2,786,796.96 : x - Step 2: Convert to fraction form
4,622,220.99/6,378,783.42 = 2,786,796.96/x - Step 3: Cross multiply
4,622,220.99x = 6,378,783.42 × 2,786,796.96 - Step 4: Simplify right side
4,622,220.99x = 17,776,374,243,354.40 - Step 5: Solve for x
x = 17,776,374,243,354.40/4,622,220.99 - Step 6: Final answer
x = 3,845,851.22
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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.