Finding the Fourth Proportional to 1,374,586.76, 1,896,939.84 and 762,741.92
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Solution
The fourth proportional to 1,374,586.76, 1,896,939.84 and 762,741.92 is: 1,052,589.46
Step by Step Solution
- Step 1: Write the proportion equation
1,374,586.76 : 1,896,939.84 = 762,741.92 : x - Step 2: Convert to fraction form
1,374,586.76/1,896,939.84 = 762,741.92/x - Step 3: Cross multiply
1,374,586.76x = 1,896,939.84 × 762,741.92 - Step 4: Simplify right side
1,374,586.76x = 1,446,875,535,686.09 - Step 5: Solve for x
x = 1,446,875,535,686.09/1,374,586.76 - Step 6: Final answer
x = 1,052,589.46
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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.