Finding the Fourth Proportional to 5,133,874.35, 7,700,310.07 and 1,347,357.23
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Solution
The fourth proportional to 5,133,874.35, 7,700,310.07 and 1,347,357.23 is: 2,020,904.24
Step by Step Solution
- Step 1: Write the proportion equation
5,133,874.35 : 7,700,310.07 = 1,347,357.23 : x - Step 2: Convert to fraction form
5,133,874.35/7,700,310.07 = 1,347,357.23/x - Step 3: Cross multiply
5,133,874.35x = 7,700,310.07 × 1,347,357.23 - Step 4: Simplify right side
5,133,874.35x = 10,375,068,446,056.31 - Step 5: Solve for x
x = 10,375,068,446,056.31/5,133,874.35 - Step 6: Final answer
x = 2,020,904.24
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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.