Finding the Fourth Proportional to 1,616,614.24, 2,230,981.53 and 881,608.75
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Solution
The fourth proportional to 1,616,614.24, 2,230,981.53 and 881,608.75 is: 1,216,649.46
Step by Step Solution
- Step 1: Write the proportion equation
1,616,614.24 : 2,230,981.53 = 881,608.75 : x - Step 2: Convert to fraction form
1,616,614.24/2,230,981.53 = 881,608.75/x - Step 3: Cross multiply
1,616,614.24x = 2,230,981.53 × 881,608.75 - Step 4: Simplify right side
1,616,614.24x = 1,966,852,837,936.39 - Step 5: Solve for x
x = 1,966,852,837,936.39/1,616,614.24 - Step 6: Final answer
x = 1,216,649.46
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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.