Finding the Fourth Proportional to 6,347,838.84, 8,763,243.88 and 4,027,101.98
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Solution
The fourth proportional to 6,347,838.84, 8,763,243.88 and 4,027,101.98 is: 5,559,447.50
Step by Step Solution
- Step 1: Write the proportion equation
6,347,838.84 : 8,763,243.88 = 4,027,101.98 : x - Step 2: Convert to fraction form
6,347,838.84/8,763,243.88 = 4,027,101.98/x - Step 3: Cross multiply
6,347,838.84x = 8,763,243.88 × 4,027,101.98 - Step 4: Simplify right side
6,347,838.84x = 35,290,476,780,370.88 - Step 5: Solve for x
x = 35,290,476,780,370.88/6,347,838.84 - Step 6: Final answer
x = 5,559,447.50
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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.