Finding the Fourth Proportional to 1,821,968.70, 2,732,953.05 and 982,160.70
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Solution
The fourth proportional to 1,821,968.70, 2,732,953.05 and 982,160.70 is: 1,473,241.05
Step by Step Solution
- Step 1: Write the proportion equation
1,821,968.70 : 2,732,953.05 = 982,160.70 : x - Step 2: Convert to fraction form
1,821,968.70/2,732,953.05 = 982,160.70/x - Step 3: Cross multiply
1,821,968.70x = 2,732,953.05 × 982,160.70 - Step 4: Simplify right side
1,821,968.70x = 2,684,199,080,655.13 - Step 5: Solve for x
x = 2,684,199,080,655.13/1,821,968.70 - Step 6: Final answer
x = 1,473,241.05
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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.