Finding the Fourth Proportional to 1,669,028.73, 2,303,260.25 and 905,082.09
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Solution
The fourth proportional to 1,669,028.73, 2,303,260.25 and 905,082.09 is: 1,249,013.61
Step by Step Solution
- Step 1: Write the proportion equation
1,669,028.73 : 2,303,260.25 = 905,082.09 : x - Step 2: Convert to fraction form
1,669,028.73/2,303,260.25 = 905,082.09/x - Step 3: Cross multiply
1,669,028.73x = 2,303,260.25 × 905,082.09 - Step 4: Simplify right side
1,669,028.73x = 2,084,639,600,883.92 - Step 5: Solve for x
x = 2,084,639,600,883.92/1,669,028.73 - Step 6: Final answer
x = 1,249,013.61
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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.