Finding the Fourth Proportional to 2,592,979.44, 3,578,368.96 and 1,431,423.02
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Solution
The fourth proportional to 2,592,979.44, 3,578,368.96 and 1,431,423.02 is: 1,975,395.42
Step by Step Solution
- Step 1: Write the proportion equation
2,592,979.44 : 3,578,368.96 = 1,431,423.02 : x - Step 2: Convert to fraction form
2,592,979.44/3,578,368.96 = 1,431,423.02/x - Step 3: Cross multiply
2,592,979.44x = 3,578,368.96 × 1,431,423.02 - Step 4: Simplify right side
2,592,979.44x = 5,122,159,703,397.46 - Step 5: Solve for x
x = 5,122,159,703,397.46/2,592,979.44 - Step 6: Final answer
x = 1,975,395.42
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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.