Finding the Fourth Proportional to 1,868,704.20, 2,806,166.70 and 1,027,859.40
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Solution
The fourth proportional to 1,868,704.20, 2,806,166.70 and 1,027,859.40 is: 1,543,499.94
Step by Step Solution
- Step 1: Write the proportion equation
1,868,704.20 : 2,806,166.70 = 1,027,859.40 : x - Step 2: Convert to fraction form
1,868,704.20/2,806,166.70 = 1,027,859.40/x - Step 3: Cross multiply
1,868,704.20x = 2,806,166.70 × 1,027,859.40 - Step 4: Simplify right side
1,868,704.20x = 2,884,344,820,561.98 - Step 5: Solve for x
x = 2,884,344,820,561.98/1,868,704.20 - Step 6: Final answer
x = 1,543,499.94
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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.