Finding the Fourth Proportional to 1,806,859.98, 2,710,163.21 and 847,526.09
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Solution
The fourth proportional to 1,806,859.98, 2,710,163.21 and 847,526.09 is: 1,271,229.67
Step by Step Solution
- Step 1: Write the proportion equation
1,806,859.98 : 2,710,163.21 = 847,526.09 : x - Step 2: Convert to fraction form
1,806,859.98/2,710,163.21 = 847,526.09/x - Step 3: Cross multiply
1,806,859.98x = 2,710,163.21 × 847,526.09 - Step 4: Simplify right side
1,806,859.98x = 2,296,934,010,844.70 - Step 5: Solve for x
x = 2,296,934,010,844.70/1,806,859.98 - Step 6: Final answer
x = 1,271,229.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.