Finding the Fourth Proportional to 2,660,202.06, 3,990,863.50 and 862,945.20
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Solution
The fourth proportional to 2,660,202.06, 3,990,863.50 and 862,945.20 is: 1,294,599.59
Step by Step Solution
- Step 1: Write the proportion equation
2,660,202.06 : 3,990,863.50 = 862,945.20 : x - Step 2: Convert to fraction form
2,660,202.06/3,990,863.50 = 862,945.20/x - Step 3: Cross multiply
2,660,202.06x = 3,990,863.50 × 862,945.20 - Step 4: Simplify right side
2,660,202.06x = 3,443,896,491,203.04 - Step 5: Solve for x
x = 3,443,896,491,203.04/2,660,202.06 - Step 6: Final answer
x = 1,294,599.59
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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.