Finding the Fourth Proportional to 1,434,916.60, 2,152,243.68 and 437,644.60
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Solution
The fourth proportional to 1,434,916.60, 2,152,243.68 and 437,644.60 is: 656,426.88
Step by Step Solution
- Step 1: Write the proportion equation
1,434,916.60 : 2,152,243.68 = 437,644.60 : x - Step 2: Convert to fraction form
1,434,916.60/2,152,243.68 = 437,644.60/x - Step 3: Cross multiply
1,434,916.60x = 2,152,243.68 × 437,644.60 - Step 4: Simplify right side
1,434,916.60x = 941,917,824,436.13 - Step 5: Solve for x
x = 941,917,824,436.13/1,434,916.60 - Step 6: Final answer
x = 656,426.88
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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.