Finding the Fourth Proportional to 2,858,647.21, 3,944,940.91 and 1,569,571.09
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Solution
The fourth proportional to 2,858,647.21, 3,944,940.91 and 1,569,571.09 is: 2,166,012.36
Step by Step Solution
- Step 1: Write the proportion equation
2,858,647.21 : 3,944,940.91 = 1,569,571.09 : x - Step 2: Convert to fraction form
2,858,647.21/3,944,940.91 = 1,569,571.09/x - Step 3: Cross multiply
2,858,647.21x = 3,944,940.91 × 1,569,571.09 - Step 4: Simplify right side
2,858,647.21x = 6,191,865,190,308.01 - Step 5: Solve for x
x = 6,191,865,190,308.01/2,858,647.21 - Step 6: Final answer
x = 2,166,012.36
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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.