Finding the Fourth Proportional to 3,619,927.66, 4,996,370.21 and 2,072,086.62
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Solution
The fourth proportional to 3,619,927.66, 4,996,370.21 and 2,072,086.62 is: 2,859,977.56
Step by Step Solution
- Step 1: Write the proportion equation
3,619,927.66 : 4,996,370.21 = 2,072,086.62 : x - Step 2: Convert to fraction form
3,619,927.66/4,996,370.21 = 2,072,086.62/x - Step 3: Cross multiply
3,619,927.66x = 4,996,370.21 × 2,072,086.62 - Step 4: Simplify right side
3,619,927.66x = 10,352,911,860,707.59 - Step 5: Solve for x
x = 10,352,911,860,707.59/3,619,927.66 - Step 6: Final answer
x = 2,859,977.56
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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.