Finding the Fourth Proportional to 1,939,566.78, 2,675,878.43 and 1,936,576.26
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Solution
The fourth proportional to 1,939,566.78, 2,675,878.43 and 1,936,576.26 is: 2,671,752.63
Step by Step Solution
- Step 1: Write the proportion equation
1,939,566.78 : 2,675,878.43 = 1,936,576.26 : x - Step 2: Convert to fraction form
1,939,566.78/2,675,878.43 = 1,936,576.26/x - Step 3: Cross multiply
1,939,566.78x = 2,675,878.43 × 1,936,576.26 - Step 4: Simplify right side
1,939,566.78x = 5,182,042,642,184.07 - Step 5: Solve for x
x = 5,182,042,642,184.07/1,939,566.78 - Step 6: Final answer
x = 2,671,752.63
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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.