Finding the Fourth Proportional to 2,515,125.60, 3,470,863.10 and 1,412,403.75
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Solution
The fourth proportional to 2,515,125.60, 3,470,863.10 and 1,412,403.75 is: 1,949,111.43
Step by Step Solution
- Step 1: Write the proportion equation
2,515,125.60 : 3,470,863.10 = 1,412,403.75 : x - Step 2: Convert to fraction form
2,515,125.60/3,470,863.10 = 1,412,403.75/x - Step 3: Cross multiply
2,515,125.60x = 3,470,863.10 × 1,412,403.75 - Step 4: Simplify right side
2,515,125.60x = 4,902,260,051,114.61 - Step 5: Solve for x
x = 4,902,260,051,114.61/2,515,125.60 - Step 6: Final answer
x = 1,949,111.43
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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.