Finding the Fourth Proportional to 1,492,940.97, 2,239,411.46 and 371,009.97
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Solution
The fourth proportional to 1,492,940.97, 2,239,411.46 and 371,009.97 is: 556,514.96
Step by Step Solution
- Step 1: Write the proportion equation
1,492,940.97 : 2,239,411.46 = 371,009.97 : x - Step 2: Convert to fraction form
1,492,940.97/2,239,411.46 = 371,009.97/x - Step 3: Cross multiply
1,492,940.97x = 2,239,411.46 × 371,009.97 - Step 4: Simplify right side
1,492,940.97x = 830,843,976,737.21 - Step 5: Solve for x
x = 830,843,976,737.21/1,492,940.97 - Step 6: Final answer
x = 556,514.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.