Finding the Fourth Proportional to 1,795,194.22, 2,478,997.88 and 1,336,141.09
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Solution
The fourth proportional to 1,795,194.22, 2,478,997.88 and 1,336,141.09 is: 1,845,087.79
Step by Step Solution
- Step 1: Write the proportion equation
1,795,194.22 : 2,478,997.88 = 1,336,141.09 : x - Step 2: Convert to fraction form
1,795,194.22/2,478,997.88 = 1,336,141.09/x - Step 3: Cross multiply
1,795,194.22x = 2,478,997.88 × 1,336,141.09 - Step 4: Simplify right side
1,795,194.22x = 3,312,290,922,810.18 - Step 5: Solve for x
x = 3,312,290,922,810.18/1,795,194.22 - Step 6: Final answer
x = 1,845,087.79
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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.