Finding the Fourth Proportional to 3,577,138.83, 4,937,735.62 and 2,126,830.80
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Solution
The fourth proportional to 3,577,138.83, 4,937,735.62 and 2,126,830.80 is: 2,935,789.95
Step by Step Solution
- Step 1: Write the proportion equation
3,577,138.83 : 4,937,735.62 = 2,126,830.80 : x - Step 2: Convert to fraction form
3,577,138.83/4,937,735.62 = 2,126,830.80/x - Step 3: Cross multiply
3,577,138.83x = 4,937,735.62 × 2,126,830.80 - Step 4: Simplify right side
3,577,138.83x = 10,501,728,218,379.22 - Step 5: Solve for x
x = 10,501,728,218,379.22/3,577,138.83 - Step 6: Final answer
x = 2,935,789.95
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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.