Finding the Fourth Proportional to 6,146,233.80, 9,219,350.70 and 5,831,305.80
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Solution
The fourth proportional to 6,146,233.80, 9,219,350.70 and 5,831,305.80 is: 8,746,958.70
Step by Step Solution
- Step 1: Write the proportion equation
6,146,233.80 : 9,219,350.70 = 5,831,305.80 : x - Step 2: Convert to fraction form
6,146,233.80/9,219,350.70 = 5,831,305.80/x - Step 3: Cross multiply
6,146,233.80x = 9,219,350.70 × 5,831,305.80 - Step 4: Simplify right side
6,146,233.80x = 53,760,853,209,144.05 - Step 5: Solve for x
x = 53,760,853,209,144.05/6,146,233.80 - Step 6: Final answer
x = 8,746,958.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.