Finding the Fourth Proportional to 2,270,581.68, 3,130,146.72 and 1,786,305.84
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Solution
The fourth proportional to 2,270,581.68, 3,130,146.72 and 1,786,305.84 is: 2,462,540.51
Step by Step Solution
- Step 1: Write the proportion equation
2,270,581.68 : 3,130,146.72 = 1,786,305.84 : x - Step 2: Convert to fraction form
2,270,581.68/3,130,146.72 = 1,786,305.84/x - Step 3: Cross multiply
2,270,581.68x = 3,130,146.72 × 1,786,305.84 - Step 4: Simplify right side
2,270,581.68x = 5,591,399,365,992.85 - Step 5: Solve for x
x = 5,591,399,365,992.85/2,270,581.68 - Step 6: Final answer
x = 2,462,540.51
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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.