Finding the Fourth Proportional to 1,996,060.18, 2,754,560.34 and 1,136,620.44
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Solution
The fourth proportional to 1,996,060.18, 2,754,560.34 and 1,136,620.44 is: 1,568,534.66
Step by Step Solution
- Step 1: Write the proportion equation
1,996,060.18 : 2,754,560.34 = 1,136,620.44 : x - Step 2: Convert to fraction form
1,996,060.18/2,754,560.34 = 1,136,620.44/x - Step 3: Cross multiply
1,996,060.18x = 2,754,560.34 × 1,136,620.44 - Step 4: Simplify right side
1,996,060.18x = 3,130,889,585,657.35 - Step 5: Solve for x
x = 3,130,889,585,657.35/1,996,060.18 - Step 6: Final answer
x = 1,568,534.66
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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.