Finding the Fourth Proportional to 2,590,867.11, 3,889,668.35 and 1,992,248.64
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Solution
The fourth proportional to 2,590,867.11, 3,889,668.35 and 1,992,248.64 is: 2,990,962.54
Step by Step Solution
- Step 1: Write the proportion equation
2,590,867.11 : 3,889,668.35 = 1,992,248.64 : x - Step 2: Convert to fraction form
2,590,867.11/3,889,668.35 = 1,992,248.64/x - Step 3: Cross multiply
2,590,867.11x = 3,889,668.35 × 1,992,248.64 - Step 4: Simplify right side
2,590,867.11x = 7,749,186,480,338.54 - Step 5: Solve for x
x = 7,749,186,480,338.54/2,590,867.11 - Step 6: Final answer
x = 2,990,962.54
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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.