Finding the Fourth Proportional to 3,608,201.19, 4,979,323.52 and 1,976,572.74
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Solution
The fourth proportional to 3,608,201.19, 4,979,323.52 and 1,976,572.74 is: 2,727,673.60
Step by Step Solution
- Step 1: Write the proportion equation
3,608,201.19 : 4,979,323.52 = 1,976,572.74 : x - Step 2: Convert to fraction form
3,608,201.19/4,979,323.52 = 1,976,572.74/x - Step 3: Cross multiply
3,608,201.19x = 4,979,323.52 × 1,976,572.74 - Step 4: Simplify right side
3,608,201.19x = 9,841,995,098,493.36 - Step 5: Solve for x
x = 9,841,995,098,493.36/3,608,201.19 - Step 6: Final answer
x = 2,727,673.60
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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.