Finding the Fourth Proportional to 2,631,399.75, 3,631,419.68 and 1,612,607.67
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Solution
The fourth proportional to 2,631,399.75, 3,631,419.68 and 1,612,607.67 is: 2,225,452.53
Step by Step Solution
- Step 1: Write the proportion equation
2,631,399.75 : 3,631,419.68 = 1,612,607.67 : x - Step 2: Convert to fraction form
2,631,399.75/3,631,419.68 = 1,612,607.67/x - Step 3: Cross multiply
2,631,399.75x = 3,631,419.68 × 1,612,607.67 - Step 4: Simplify right side
2,631,399.75x = 5,856,055,220,893.91 - Step 5: Solve for x
x = 5,856,055,220,893.91/2,631,399.75 - Step 6: Final answer
x = 2,225,452.53
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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.