Finding the Fourth Proportional to 2,528,497.28, 3,794,738.64 and 1,109,532.80
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Solution
The fourth proportional to 2,528,497.28, 3,794,738.64 and 1,109,532.80 is: 1,665,173.63
Step by Step Solution
- Step 1: Write the proportion equation
2,528,497.28 : 3,794,738.64 = 1,109,532.80 : x - Step 2: Convert to fraction form
2,528,497.28/3,794,738.64 = 1,109,532.80/x - Step 3: Cross multiply
2,528,497.28x = 3,794,738.64 × 1,109,532.80 - Step 4: Simplify right side
2,528,497.28x = 4,210,386,988,507.39 - Step 5: Solve for x
x = 4,210,386,988,507.39/2,528,497.28 - Step 6: Final answer
x = 1,665,173.63
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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.