Finding the Fourth Proportional to 2,592,967.15, 3,578,351.94 and 1,431,410.65
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Solution
The fourth proportional to 2,592,967.15, 3,578,351.94 and 1,431,410.65 is: 1,975,378.31
Step by Step Solution
- Step 1: Write the proportion equation
2,592,967.15 : 3,578,351.94 = 1,431,410.65 : x - Step 2: Convert to fraction form
2,592,967.15/3,578,351.94 = 1,431,410.65/x - Step 3: Cross multiply
2,592,967.15x = 3,578,351.94 × 1,431,410.65 - Step 4: Simplify right side
2,592,967.15x = 5,122,091,076,364.16 - Step 5: Solve for x
x = 5,122,091,076,364.16/2,592,967.15 - Step 6: Final answer
x = 1,975,378.31
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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.