Finding the Fourth Proportional to 1,631,523.03, 2,251,709.39 and 986,947.84
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Solution
The fourth proportional to 1,631,523.03, 2,251,709.39 and 986,947.84 is: 1,362,113.61
Step by Step Solution
- Step 1: Write the proportion equation
1,631,523.03 : 2,251,709.39 = 986,947.84 : x - Step 2: Convert to fraction form
1,631,523.03/2,251,709.39 = 986,947.84/x - Step 3: Cross multiply
1,631,523.03x = 2,251,709.39 × 986,947.84 - Step 4: Simplify right side
1,631,523.03x = 2,222,319,718,768.22 - Step 5: Solve for x
x = 2,222,319,718,768.22/1,631,523.03 - Step 6: Final answer
x = 1,362,113.61
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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.