Finding the Fourth Proportional to 1,463,154.51, 2,019,231.68 and 818,536.26
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Solution
The fourth proportional to 1,463,154.51, 2,019,231.68 and 818,536.26 is: 1,129,623.93
Step by Step Solution
- Step 1: Write the proportion equation
1,463,154.51 : 2,019,231.68 = 818,536.26 : x - Step 2: Convert to fraction form
1,463,154.51/2,019,231.68 = 818,536.26/x - Step 3: Cross multiply
1,463,154.51x = 2,019,231.68 × 818,536.26 - Step 4: Simplify right side
1,463,154.51x = 1,652,814,350,900.15 - Step 5: Solve for x
x = 1,652,814,350,900.15/1,463,154.51 - Step 6: Final answer
x = 1,129,623.93
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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.