Finding the Fourth Proportional to 5,189,044.70, 7,783,594.70 and 3,403,236.98
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Solution
The fourth proportional to 5,189,044.70, 7,783,594.70 and 3,403,236.98 is: 5,104,873.60
Step by Step Solution
- Step 1: Write the proportion equation
5,189,044.70 : 7,783,594.70 = 3,403,236.98 : x - Step 2: Convert to fraction form
5,189,044.70/7,783,594.70 = 3,403,236.98/x - Step 3: Cross multiply
5,189,044.70x = 7,783,594.70 × 3,403,236.98 - Step 4: Simplify right side
5,189,044.70x = 26,489,417,264,437.85 - Step 5: Solve for x
x = 26,489,417,264,437.85/5,189,044.70 - Step 6: Final answer
x = 5,104,873.60
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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.