Finding the Fourth Proportional to 1,761,186.07, 2,430,476.18 and 986,874.67
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Solution
The fourth proportional to 1,761,186.07, 2,430,476.18 and 986,874.67 is: 1,361,909.12
Step by Step Solution
- Step 1: Write the proportion equation
1,761,186.07 : 2,430,476.18 = 986,874.67 : x - Step 2: Convert to fraction form
1,761,186.07/2,430,476.18 = 986,874.67/x - Step 3: Cross multiply
1,761,186.07x = 2,430,476.18 × 986,874.67 - Step 4: Simplify right side
1,761,186.07x = 2,398,575,378,080.36 - Step 5: Solve for x
x = 2,398,575,378,080.36/1,761,186.07 - Step 6: Final answer
x = 1,361,909.12
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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.