Finding the Fourth Proportional to 2,133,987.88, 2,944,861.86 and 1,167,115.08
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Solution
The fourth proportional to 2,133,987.88, 2,944,861.86 and 1,167,115.08 is: 1,610,596.16
Step by Step Solution
- Step 1: Write the proportion equation
2,133,987.88 : 2,944,861.86 = 1,167,115.08 : x - Step 2: Convert to fraction form
2,133,987.88/2,944,861.86 = 1,167,115.08/x - Step 3: Cross multiply
2,133,987.88x = 2,944,861.86 × 1,167,115.08 - Step 4: Simplify right side
2,133,987.88x = 3,436,992,685,322.85 - Step 5: Solve for x
x = 3,436,992,685,322.85/2,133,987.88 - Step 6: Final answer
x = 1,610,596.16
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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.