Finding the Fourth Proportional to 2,272,933.28, 3,136,723.20 and 1,240,497.44
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Solution
The fourth proportional to 2,272,933.28, 3,136,723.20 and 1,240,497.44 is: 1,711,927.55
Step by Step Solution
- Step 1: Write the proportion equation
2,272,933.28 : 3,136,723.20 = 1,240,497.44 : x - Step 2: Convert to fraction form
2,272,933.28/3,136,723.20 = 1,240,497.44/x - Step 3: Cross multiply
2,272,933.28x = 3,136,723.20 × 1,240,497.44 - Step 4: Simplify right side
2,272,933.28x = 3,891,097,099,588.61 - Step 5: Solve for x
x = 3,891,097,099,588.61/2,272,933.28 - Step 6: Final answer
x = 1,711,927.55
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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.