Finding the Fourth Proportional to 2,612,995.45, 3,605,811.86 and 1,451,516.99
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Solution
The fourth proportional to 2,612,995.45, 3,605,811.86 and 1,451,516.99 is: 2,003,025.75
Step by Step Solution
- Step 1: Write the proportion equation
2,612,995.45 : 3,605,811.86 = 1,451,516.99 : x - Step 2: Convert to fraction form
2,612,995.45/3,605,811.86 = 1,451,516.99/x - Step 3: Cross multiply
2,612,995.45x = 3,605,811.86 × 1,451,516.99 - Step 4: Simplify right side
2,612,995.45x = 5,233,897,163,133.23 - Step 5: Solve for x
x = 5,233,897,163,133.23/2,612,995.45 - Step 6: Final answer
x = 2,003,025.75
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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.