Finding the Fourth Proportional to 1,649,362.20, 2,474,108.64 and 784,589.40
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Solution
The fourth proportional to 1,649,362.20, 2,474,108.64 and 784,589.40 is: 1,176,915.18
Step by Step Solution
- Step 1: Write the proportion equation
1,649,362.20 : 2,474,108.64 = 784,589.40 : x - Step 2: Convert to fraction form
1,649,362.20/2,474,108.64 = 784,589.40/x - Step 3: Cross multiply
1,649,362.20x = 2,474,108.64 × 784,589.40 - Step 4: Simplify right side
1,649,362.20x = 1,941,159,413,392.42 - Step 5: Solve for x
x = 1,941,159,413,392.42/1,649,362.20 - Step 6: Final answer
x = 1,176,915.18
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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.