Finding the Fourth Proportional to 1,834,431.99, 2,531,749.62 and 1,109,284.97
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Solution
The fourth proportional to 1,834,431.99, 2,531,749.62 and 1,109,284.97 is: 1,530,954.43
Step by Step Solution
- Step 1: Write the proportion equation
1,834,431.99 : 2,531,749.62 = 1,109,284.97 : x - Step 2: Convert to fraction form
1,834,431.99/2,531,749.62 = 1,109,284.97/x - Step 3: Cross multiply
1,834,431.99x = 2,531,749.62 × 1,109,284.97 - Step 4: Simplify right side
1,834,431.99x = 2,808,431,788,610.46 - Step 5: Solve for x
x = 2,808,431,788,610.46/1,834,431.99 - Step 6: Final answer
x = 1,530,954.43
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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.