Finding the Fourth Proportional to 2,283,661.68, 3,151,465.14 and 1,290,233.94
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Solution
The fourth proportional to 2,283,661.68, 3,151,465.14 and 1,290,233.94 is: 1,780,529.63
Step by Step Solution
- Step 1: Write the proportion equation
2,283,661.68 : 3,151,465.14 = 1,290,233.94 : x - Step 2: Convert to fraction form
2,283,661.68/3,151,465.14 = 1,290,233.94/x - Step 3: Cross multiply
2,283,661.68x = 3,151,465.14 × 1,290,233.94 - Step 4: Simplify right side
2,283,661.68x = 4,066,127,284,354.85 - Step 5: Solve for x
x = 4,066,127,284,354.85/2,283,661.68 - Step 6: Final answer
x = 1,780,529.63
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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.