Finding the Fourth Proportional to 1,611,090.09, 2,223,320.40 and 885,942.99
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Solution
The fourth proportional to 1,611,090.09, 2,223,320.40 and 885,942.99 is: 1,222,610.17
Step by Step Solution
- Step 1: Write the proportion equation
1,611,090.09 : 2,223,320.40 = 885,942.99 : x - Step 2: Convert to fraction form
1,611,090.09/2,223,320.40 = 885,942.99/x - Step 3: Cross multiply
1,611,090.09x = 2,223,320.40 × 885,942.99 - Step 4: Simplify right side
1,611,090.09x = 1,969,735,122,904.00 - Step 5: Solve for x
x = 1,969,735,122,904.00/1,611,090.09 - Step 6: Final answer
x = 1,222,610.17
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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.