Finding the Fourth Proportional to 2,989,687.06, 4,125,766.98 and 1,631,560.06
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Solution
The fourth proportional to 2,989,687.06, 4,125,766.98 and 1,631,560.06 is: 2,251,552.25
Step by Step Solution
- Step 1: Write the proportion equation
2,989,687.06 : 4,125,766.98 = 1,631,560.06 : x - Step 2: Convert to fraction form
2,989,687.06/4,125,766.98 = 1,631,560.06/x - Step 3: Cross multiply
2,989,687.06x = 4,125,766.98 × 1,631,560.06 - Step 4: Simplify right side
2,989,687.06x = 6,731,436,621,434.82 - Step 5: Solve for x
x = 6,731,436,621,434.82/2,989,687.06 - Step 6: Final answer
x = 2,251,552.25
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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.