Finding the Fourth Proportional to 3,845,252.80, 5,767,879.20 and 3,220,062.40
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Solution
The fourth proportional to 3,845,252.80, 5,767,879.20 and 3,220,062.40 is: 4,830,093.60
Step by Step Solution
- Step 1: Write the proportion equation
3,845,252.80 : 5,767,879.20 = 3,220,062.40 : x - Step 2: Convert to fraction form
3,845,252.80/5,767,879.20 = 3,220,062.40/x - Step 3: Cross multiply
3,845,252.80x = 5,767,879.20 × 3,220,062.40 - Step 4: Simplify right side
3,845,252.80x = 18,572,930,939,662.08 - Step 5: Solve for x
x = 18,572,930,939,662.08/3,845,252.80 - Step 6: Final answer
x = 4,830,093.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.