Finding the Fourth Proportional to 3,722,911.84, 5,137,058.75 and 2,091,006.60
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Solution
The fourth proportional to 3,722,911.84, 5,137,058.75 and 2,091,006.60 is: 2,885,274.80
Step by Step Solution
- Step 1: Write the proportion equation
3,722,911.84 : 5,137,058.75 = 2,091,006.60 : x - Step 2: Convert to fraction form
3,722,911.84/5,137,058.75 = 2,091,006.60/x - Step 3: Cross multiply
3,722,911.84x = 5,137,058.75 × 2,091,006.60 - Step 4: Simplify right side
3,722,911.84x = 10,741,623,721,118.75 - Step 5: Solve for x
x = 10,741,623,721,118.75/3,722,911.84 - Step 6: Final answer
x = 2,885,274.80
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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.