Finding the Fourth Proportional to 3,772,198.98, 5,205,752.07 and 2,053,434.06
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Solution
The fourth proportional to 3,772,198.98, 5,205,752.07 and 2,053,434.06 is: 2,833,802.95
Step by Step Solution
- Step 1: Write the proportion equation
3,772,198.98 : 5,205,752.07 = 2,053,434.06 : x - Step 2: Convert to fraction form
3,772,198.98/5,205,752.07 = 2,053,434.06/x - Step 3: Cross multiply
3,772,198.98x = 5,205,752.07 × 2,053,434.06 - Step 4: Simplify right side
3,772,198.98x = 10,689,668,608,453.51 - Step 5: Solve for x
x = 10,689,668,608,453.51/3,772,198.98 - Step 6: Final answer
x = 2,833,802.95
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1.5x scale
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.