Finding the Fourth Proportional to 2,808,951.99, 3,876,326.19 and 1,519,764.09
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Solution
The fourth proportional to 2,808,951.99, 3,876,326.19 and 1,519,764.09 is: 2,097,259.54
Step by Step Solution
- Step 1: Write the proportion equation
2,808,951.99 : 3,876,326.19 = 1,519,764.09 : x - Step 2: Convert to fraction form
2,808,951.99/3,876,326.19 = 1,519,764.09/x - Step 3: Cross multiply
2,808,951.99x = 3,876,326.19 × 1,519,764.09 - Step 4: Simplify right side
2,808,951.99x = 5,891,101,344,688.52 - Step 5: Solve for x
x = 5,891,101,344,688.52/2,808,951.99 - Step 6: Final answer
x = 2,097,259.54
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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.