Finding the Fourth Proportional to 1,589,769.15, 2,193,859.98 and 864,601.26
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Solution
The fourth proportional to 1,589,769.15, 2,193,859.98 and 864,601.26 is: 1,193,138.07
Step by Step Solution
- Step 1: Write the proportion equation
1,589,769.15 : 2,193,859.98 = 864,601.26 : x - Step 2: Convert to fraction form
1,589,769.15/2,193,859.98 = 864,601.26/x - Step 3: Cross multiply
1,589,769.15x = 2,193,859.98 × 864,601.26 - Step 4: Simplify right side
1,589,769.15x = 1,896,814,102,971.57 - Step 5: Solve for x
x = 1,896,814,102,971.57/1,589,769.15 - Step 6: Final answer
x = 1,193,138.07
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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.