Finding the Fourth Proportional to 6,109,025.66, 8,430,475.11 and 3,392,771.66
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Solution
The fourth proportional to 6,109,025.66, 8,430,475.11 and 3,392,771.66 is: 4,682,035.83
Step by Step Solution
- Step 1: Write the proportion equation
6,109,025.66 : 8,430,475.11 = 3,392,771.66 : x - Step 2: Convert to fraction form
6,109,025.66/8,430,475.11 = 3,392,771.66/x - Step 3: Cross multiply
6,109,025.66x = 8,430,475.11 × 3,392,771.66 - Step 4: Simplify right side
6,109,025.66x = 28,602,677,033,543.38 - Step 5: Solve for x
x = 28,602,677,033,543.38/6,109,025.66 - Step 6: Final answer
x = 4,682,035.83
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Double scale
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1.5x scale
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.