Finding the Fourth Proportional to 1,868,798, 2,802,912.69 and 520,818.68
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Solution
The fourth proportional to 1,868,798, 2,802,912.69 and 520,818.68 is: 781,148.79
Step by Step Solution
- Step 1: Write the proportion equation
1,868,798 : 2,802,912.69 = 520,818.68 : x - Step 2: Convert to fraction form
1,868,798/2,802,912.69 = 520,818.68/x - Step 3: Cross multiply
1,868,798x = 2,802,912.69 × 520,818.68 - Step 4: Simplify right side
1,868,798x = 1,459,809,287,361.05 - Step 5: Solve for x
x = 1,459,809,287,361.05/1,868,798 - Step 6: Final answer
x = 781,148.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.