Finding the Fourth Proportional to 1,182,480.17, 1,631,822.24 and 638,616.08
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Solution
The fourth proportional to 1,182,480.17, 1,631,822.24 and 638,616.08 is: 881,289.97
Step by Step Solution
- Step 1: Write the proportion equation
1,182,480.17 : 1,631,822.24 = 638,616.08 : x - Step 2: Convert to fraction form
1,182,480.17/1,631,822.24 = 638,616.08/x - Step 3: Cross multiply
1,182,480.17x = 1,631,822.24 × 638,616.08 - Step 4: Simplify right side
1,182,480.17x = 1,042,107,910,813.43 - Step 5: Solve for x
x = 1,042,107,910,813.43/1,182,480.17 - Step 6: Final answer
x = 881,289.97
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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.