Finding the Fourth Proportional to 2,409,791.56, 3,612,390.06 and 811,532.20
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Solution
The fourth proportional to 2,409,791.56, 3,612,390.06 and 811,532.20 is: 1,216,524.66
Step by Step Solution
- Step 1: Write the proportion equation
2,409,791.56 : 3,612,390.06 = 811,532.20 : x - Step 2: Convert to fraction form
2,409,791.56/3,612,390.06 = 811,532.20/x - Step 3: Cross multiply
2,409,791.56x = 3,612,390.06 × 811,532.20 - Step 4: Simplify right side
2,409,791.56x = 2,931,570,852,649.93 - Step 5: Solve for x
x = 2,931,570,852,649.93/2,409,791.56 - Step 6: Final answer
x = 1,216,524.66
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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.