Finding the Fourth Proportional to 1,478,918.09, 2,040,901.02 and 834,338.31
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Solution
The fourth proportional to 1,478,918.09, 2,040,901.02 and 834,338.31 is: 1,151,383.52
Step by Step Solution
- Step 1: Write the proportion equation
1,478,918.09 : 2,040,901.02 = 834,338.31 : x - Step 2: Convert to fraction form
1,478,918.09/2,040,901.02 = 834,338.31/x - Step 3: Cross multiply
1,478,918.09x = 2,040,901.02 × 834,338.31 - Step 4: Simplify right side
1,478,918.09x = 1,702,801,907,904.08 - Step 5: Solve for x
x = 1,702,801,907,904.08/1,478,918.09 - Step 6: Final answer
x = 1,151,383.52
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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.