Finding the Fourth Proportional to 1,497,274.84, 2,066,284.38 and 818,222.68
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Solution
The fourth proportional to 1,497,274.84, 2,066,284.38 and 818,222.68 is: 1,129,171.94
Step by Step Solution
- Step 1: Write the proportion equation
1,497,274.84 : 2,066,284.38 = 818,222.68 : x - Step 2: Convert to fraction form
1,497,274.84/2,066,284.38 = 818,222.68/x - Step 3: Cross multiply
1,497,274.84x = 2,066,284.38 × 818,222.68 - Step 4: Simplify right side
1,497,274.84x = 1,690,680,743,045.74 - Step 5: Solve for x
x = 1,690,680,743,045.74/1,497,274.84 - Step 6: Final answer
x = 1,129,171.94
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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.