Finding the Fourth Proportional to 2,660,040.18, 3,990,620.97 and 862,783.83
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Solution
The fourth proportional to 2,660,040.18, 3,990,620.97 and 862,783.83 is: 1,294,357.61
Step by Step Solution
- Step 1: Write the proportion equation
2,660,040.18 : 3,990,620.97 = 862,783.83 : x - Step 2: Convert to fraction form
2,660,040.18/3,990,620.97 = 862,783.83/x - Step 3: Cross multiply
2,660,040.18x = 3,990,620.97 × 862,783.83 - Step 4: Simplify right side
2,660,040.18x = 3,443,043,244,574.92 - Step 5: Solve for x
x = 3,443,043,244,574.92/2,660,040.18 - Step 6: Final answer
x = 1,294,357.61
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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.