Finding the Fourth Proportional to 5,277,547.52, 7,916,839.68 and 1,491,059.84
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Solution
The fourth proportional to 5,277,547.52, 7,916,839.68 and 1,491,059.84 is: 2,236,736.22
Step by Step Solution
- Step 1: Write the proportion equation
5,277,547.52 : 7,916,839.68 = 1,491,059.84 : x - Step 2: Convert to fraction form
5,277,547.52/7,916,839.68 = 1,491,059.84/x - Step 3: Cross multiply
5,277,547.52x = 7,916,839.68 × 1,491,059.84 - Step 4: Simplify right side
5,277,547.52x = 11,804,481,706,566.45 - Step 5: Solve for x
x = 11,804,481,706,566.45/5,277,547.52 - Step 6: Final answer
x = 2,236,736.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.