Finding the Fourth Proportional to 3,606,220.08, 4,976,917.56 and 1,996,588.08
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Solution
The fourth proportional to 3,606,220.08, 4,976,917.56 and 1,996,588.08 is: 2,755,476.39
Step by Step Solution
- Step 1: Write the proportion equation
3,606,220.08 : 4,976,917.56 = 1,996,588.08 : x - Step 2: Convert to fraction form
3,606,220.08/4,976,917.56 = 1,996,588.08/x - Step 3: Cross multiply
3,606,220.08x = 4,976,917.56 × 1,996,588.08 - Step 4: Simplify right side
3,606,220.08x = 9,936,854,275,438.68 - Step 5: Solve for x
x = 9,936,854,275,438.68/3,606,220.08 - Step 6: Final answer
x = 2,755,476.39
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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.