Finding the Fourth Proportional to 3,616,843.26, 4,995,386.17 and 2,381,973.74
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Solution
The fourth proportional to 3,616,843.26, 4,995,386.17 and 2,381,973.74 is: 3,289,851.90
Step by Step Solution
- Step 1: Write the proportion equation
3,616,843.26 : 4,995,386.17 = 2,381,973.74 : x - Step 2: Convert to fraction form
3,616,843.26/4,995,386.17 = 2,381,973.74/x - Step 3: Cross multiply
3,616,843.26x = 4,995,386.17 × 2,381,973.74 - Step 4: Simplify right side
3,616,843.26x = 11,898,878,678,099.18 - Step 5: Solve for x
x = 11,898,878,678,099.18/3,616,843.26 - Step 6: Final answer
x = 3,289,851.90
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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.