Finding the Fourth Proportional to 6,905,162.63, 9,529,691.76 and 3,808,291.70
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Solution
The fourth proportional to 6,905,162.63, 9,529,691.76 and 3,808,291.70 is: 5,255,755.44
Step by Step Solution
- Step 1: Write the proportion equation
6,905,162.63 : 9,529,691.76 = 3,808,291.70 : x - Step 2: Convert to fraction form
6,905,162.63/9,529,691.76 = 3,808,291.70/x - Step 3: Cross multiply
6,905,162.63x = 9,529,691.76 × 3,808,291.70 - Step 4: Simplify right side
6,905,162.63x = 36,291,846,033,166.39 - Step 5: Solve for x
x = 36,291,846,033,166.39/6,905,162.63 - Step 6: Final answer
x = 5,255,755.44
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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.