Finding the Fourth Proportional to 1,910,635.01, 2,635,556.70 and 1,222,055.63
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Solution
The fourth proportional to 1,910,635.01, 2,635,556.70 and 1,222,055.63 is: 1,685,720.66
Step by Step Solution
- Step 1: Write the proportion equation
1,910,635.01 : 2,635,556.70 = 1,222,055.63 : x - Step 2: Convert to fraction form
1,910,635.01/2,635,556.70 = 1,222,055.63/x - Step 3: Cross multiply
1,910,635.01x = 2,635,556.70 × 1,222,055.63 - Step 4: Simplify right side
1,910,635.01x = 3,220,796,903,419.22 - Step 5: Solve for x
x = 3,220,796,903,419.22/1,910,635.01 - Step 6: Final answer
x = 1,685,720.66
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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.