Finding the Fourth Proportional to 3,296,901.49, 4,549,865.18 and 1,920,022.99
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Solution
The fourth proportional to 3,296,901.49, 4,549,865.18 and 1,920,022.99 is: 2,649,713.91
Step by Step Solution
- Step 1: Write the proportion equation
3,296,901.49 : 4,549,865.18 = 1,920,022.99 : x - Step 2: Convert to fraction form
3,296,901.49/4,549,865.18 = 1,920,022.99/x - Step 3: Cross multiply
3,296,901.49x = 4,549,865.18 × 1,920,022.99 - Step 4: Simplify right side
3,296,901.49x = 8,735,845,726,025.71 - Step 5: Solve for x
x = 8,735,845,726,025.71/3,296,901.49 - Step 6: Final answer
x = 2,649,713.91
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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.