Finding the Fourth Proportional to 4,078,486.80, 5,628,456.24 and 2,243,087.04
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Solution
The fourth proportional to 4,078,486.80, 5,628,456.24 and 2,243,087.04 is: 3,095,539.56
Step by Step Solution
- Step 1: Write the proportion equation
4,078,486.80 : 5,628,456.24 = 2,243,087.04 : x - Step 2: Convert to fraction form
4,078,486.80/5,628,456.24 = 2,243,087.04/x - Step 3: Cross multiply
4,078,486.80x = 5,628,456.24 × 2,243,087.04 - Step 4: Simplify right side
4,078,486.80x = 12,625,117,247,151.13 - Step 5: Solve for x
x = 12,625,117,247,151.13/4,078,486.80 - Step 6: Final answer
x = 3,095,539.56
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1.5x scale
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.