Finding the Fourth Proportional to 1,551,124.62, 2,326,716.09 and 486,143.10
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Solution
The fourth proportional to 1,551,124.62, 2,326,716.09 and 486,143.10 is: 729,223.79
Step by Step Solution
- Step 1: Write the proportion equation
1,551,124.62 : 2,326,716.09 = 486,143.10 : x - Step 2: Convert to fraction form
1,551,124.62/2,326,716.09 = 486,143.10/x - Step 3: Cross multiply
1,551,124.62x = 2,326,716.09 × 486,143.10 - Step 4: Simplify right side
1,551,124.62x = 1,131,116,972,812.48 - Step 5: Solve for x
x = 1,131,116,972,812.48/1,551,124.62 - Step 6: Final answer
x = 729,223.79
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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.