Finding the Fourth Proportional to 2,220,793.79, 3,064,705.21 and 1,202,198.54
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Solution
The fourth proportional to 2,220,793.79, 3,064,705.21 and 1,202,198.54 is: 1,659,039.28
Step by Step Solution
- Step 1: Write the proportion equation
2,220,793.79 : 3,064,705.21 = 1,202,198.54 : x - Step 2: Convert to fraction form
2,220,793.79/3,064,705.21 = 1,202,198.54/x - Step 3: Cross multiply
2,220,793.79x = 3,064,705.21 × 1,202,198.54 - Step 4: Simplify right side
2,220,793.79x = 3,684,384,128,992.39 - Step 5: Solve for x
x = 3,684,384,128,992.39/2,220,793.79 - Step 6: Final answer
x = 1,659,039.28
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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.