Finding the Fourth Proportional to 2,888,739.94, 3,990,613.56 and 2,307,199.52
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Solution
The fourth proportional to 2,888,739.94, 3,990,613.56 and 2,307,199.52 is: 3,187,251.84
Step by Step Solution
- Step 1: Write the proportion equation
2,888,739.94 : 3,990,613.56 = 2,307,199.52 : x - Step 2: Convert to fraction form
2,888,739.94/3,990,613.56 = 2,307,199.52/x - Step 3: Cross multiply
2,888,739.94x = 3,990,613.56 × 2,307,199.52 - Step 4: Simplify right side
2,888,739.94x = 9,207,141,690,137.49 - Step 5: Solve for x
x = 9,207,141,690,137.49/2,888,739.94 - Step 6: Final answer
x = 3,187,251.84
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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.