Finding the Fourth Proportional to 1,543,126.44, 2,305,304.15 and 998,949.53
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Solution
The fourth proportional to 1,543,126.44, 2,305,304.15 and 998,949.53 is: 1,492,348.55
Step by Step Solution
- Step 1: Write the proportion equation
1,543,126.44 : 2,305,304.15 = 998,949.53 : x - Step 2: Convert to fraction form
1,543,126.44/2,305,304.15 = 998,949.53/x - Step 3: Cross multiply
1,543,126.44x = 2,305,304.15 × 998,949.53 - Step 4: Simplify right side
1,543,126.44x = 2,302,882,497,918.06 - Step 5: Solve for x
x = 2,302,882,497,918.06/1,543,126.44 - Step 6: Final answer
x = 1,492,348.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.