Finding the Fourth Proportional to 5,914,739.57, 8,159,237.61 and 5,138,626.58
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Solution
The fourth proportional to 5,914,739.57, 8,159,237.61 and 5,138,626.58 is: 7,088,608.85
Step by Step Solution
- Step 1: Write the proportion equation
5,914,739.57 : 8,159,237.61 = 5,138,626.58 : x - Step 2: Convert to fraction form
5,914,739.57/8,159,237.61 = 5,138,626.58/x - Step 3: Cross multiply
5,914,739.57x = 8,159,237.61 × 5,138,626.58 - Step 4: Simplify right side
5,914,739.57x = 41,927,275,255,281.68 - Step 5: Solve for x
x = 41,927,275,255,281.68/5,914,739.57 - Step 6: Final answer
x = 7,088,608.85
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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.