Finding the Fourth Proportional to 2,015,509.64, 3,023,245.66 and 817,147.09
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Solution
The fourth proportional to 2,015,509.64, 3,023,245.66 and 817,147.09 is: 1,225,713.01
Step by Step Solution
- Step 1: Write the proportion equation
2,015,509.64 : 3,023,245.66 = 817,147.09 : x - Step 2: Convert to fraction form
2,015,509.64/3,023,245.66 = 817,147.09/x - Step 3: Cross multiply
2,015,509.64x = 3,023,245.66 × 817,147.09 - Step 4: Simplify right side
2,015,509.64x = 2,470,436,393,424.13 - Step 5: Solve for x
x = 2,470,436,393,424.13/2,015,509.64 - Step 6: Final answer
x = 1,225,713.01
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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.