Finding the Fourth Proportional to 5,114,718.26, 7,058,276.42 and 2,822,878.88
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Solution
The fourth proportional to 5,114,718.26, 7,058,276.42 and 2,822,878.88 is: 3,895,553.66
Step by Step Solution
- Step 1: Write the proportion equation
5,114,718.26 : 7,058,276.42 = 2,822,878.88 : x - Step 2: Convert to fraction form
5,114,718.26/7,058,276.42 = 2,822,878.88/x - Step 3: Cross multiply
5,114,718.26x = 7,058,276.42 × 2,822,878.88 - Step 4: Simplify right side
5,114,718.26x = 19,924,659,435,220.01 - Step 5: Solve for x
x = 19,924,659,435,220.01/5,114,718.26 - Step 6: Final answer
x = 3,895,553.66
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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.