Finding the Fourth Proportional to 5,275,138.08, 7,279,694.64 and 2,860,690.08
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Solution
The fourth proportional to 5,275,138.08, 7,279,694.64 and 2,860,690.08 is: 3,947,754.53
Step by Step Solution
- Step 1: Write the proportion equation
5,275,138.08 : 7,279,694.64 = 2,860,690.08 : x - Step 2: Convert to fraction form
5,275,138.08/7,279,694.64 = 2,860,690.08/x - Step 3: Cross multiply
5,275,138.08x = 7,279,694.64 × 2,860,690.08 - Step 4: Simplify right side
5,275,138.08x = 20,824,950,242,077.17 - Step 5: Solve for x
x = 20,824,950,242,077.17/5,275,138.08 - Step 6: Final answer
x = 3,947,754.53
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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.