Finding the Fourth Proportional to 1,316,991.12, 1,975,486.17 and 370,361.79
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Solution
The fourth proportional to 1,316,991.12, 1,975,486.17 and 370,361.79 is: 555,542.54
Step by Step Solution
- Step 1: Write the proportion equation
1,316,991.12 : 1,975,486.17 = 370,361.79 : x - Step 2: Convert to fraction form
1,316,991.12/1,975,486.17 = 370,361.79/x - Step 3: Cross multiply
1,316,991.12x = 1,975,486.17 × 370,361.79 - Step 4: Simplify right side
1,316,991.12x = 731,644,594,041.44 - Step 5: Solve for x
x = 731,644,594,041.44/1,316,991.12 - Step 6: Final answer
x = 555,542.54
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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.