Finding the Fourth Proportional to 1,462,996.80, 2,019,121.44 and 818,452.80
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Solution
The fourth proportional to 1,462,996.80, 2,019,121.44 and 818,452.80 is: 1,129,568.84
Step by Step Solution
- Step 1: Write the proportion equation
1,462,996.80 : 2,019,121.44 = 818,452.80 : x - Step 2: Convert to fraction form
1,462,996.80/2,019,121.44 = 818,452.80/x - Step 3: Cross multiply
1,462,996.80x = 2,019,121.44 × 818,452.80 - Step 4: Simplify right side
1,462,996.80x = 1,652,555,596,108.03 - Step 5: Solve for x
x = 1,652,555,596,108.03/1,462,996.80 - Step 6: Final answer
x = 1,129,568.84
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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.