Finding the Fourth Proportional to 2,651,903.20, 3,981,323.76 and 1,574,382.88
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Solution
The fourth proportional to 2,651,903.20, 3,981,323.76 and 1,574,382.88 is: 2,363,633.77
Step by Step Solution
- Step 1: Write the proportion equation
2,651,903.20 : 3,981,323.76 = 1,574,382.88 : x - Step 2: Convert to fraction form
2,651,903.20/3,981,323.76 = 1,574,382.88/x - Step 3: Cross multiply
2,651,903.20x = 3,981,323.76 × 1,574,382.88 - Step 4: Simplify right side
2,651,903.20x = 6,268,127,967,481.23 - Step 5: Solve for x
x = 6,268,127,967,481.23/2,651,903.20 - Step 6: Final answer
x = 2,363,633.77
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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.