Finding the Fourth Proportional to 1,509,121.10, 2,081,531.84 and 1,024,844.78
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Solution
The fourth proportional to 1,509,121.10, 2,081,531.84 and 1,024,844.78 is: 1,413,569.16
Step by Step Solution
- Step 1: Write the proportion equation
1,509,121.10 : 2,081,531.84 = 1,024,844.78 : x - Step 2: Convert to fraction form
1,509,121.10/2,081,531.84 = 1,024,844.78/x - Step 3: Cross multiply
1,509,121.10x = 2,081,531.84 × 1,024,844.78 - Step 4: Simplify right side
1,509,121.10x = 2,133,247,040,627.80 - Step 5: Solve for x
x = 2,133,247,040,627.80/1,509,121.10 - Step 6: Final answer
x = 1,413,569.16
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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.