Finding the Fourth Proportional to 1,607,138.29, 2,217,704.25 and 953,651.70
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Solution
The fourth proportional to 1,607,138.29, 2,217,704.25 and 953,651.70 is: 1,315,952.36
Step by Step Solution
- Step 1: Write the proportion equation
1,607,138.29 : 2,217,704.25 = 953,651.70 : x - Step 2: Convert to fraction form
1,607,138.29/2,217,704.25 = 953,651.70/x - Step 3: Cross multiply
1,607,138.29x = 2,217,704.25 × 953,651.70 - Step 4: Simplify right side
1,607,138.29x = 2,114,917,428,109.73 - Step 5: Solve for x
x = 2,114,917,428,109.73/1,607,138.29 - Step 6: Final answer
x = 1,315,952.36
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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.