Finding the Fourth Proportional to 2,219,292.36, 3,062,622.42 and 1,252,625.40
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Solution
The fourth proportional to 2,219,292.36, 3,062,622.42 and 1,252,625.40 is: 1,728,622.47
Step by Step Solution
- Step 1: Write the proportion equation
2,219,292.36 : 3,062,622.42 = 1,252,625.40 : x - Step 2: Convert to fraction form
2,219,292.36/3,062,622.42 = 1,252,625.40/x - Step 3: Cross multiply
2,219,292.36x = 3,062,622.42 × 1,252,625.40 - Step 4: Simplify right side
2,219,292.36x = 3,836,318,633,901.47 - Step 5: Solve for x
x = 3,836,318,633,901.47/2,219,292.36 - Step 6: Final answer
x = 1,728,622.47
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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.