Finding the Fourth Proportional to 1,806,340.80, 2,493,022.80 and 1,153,245.84
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Solution
The fourth proportional to 1,806,340.80, 2,493,022.80 and 1,153,245.84 is: 1,591,653.23
Step by Step Solution
- Step 1: Write the proportion equation
1,806,340.80 : 2,493,022.80 = 1,153,245.84 : x - Step 2: Convert to fraction form
1,806,340.80/2,493,022.80 = 1,153,245.84/x - Step 3: Cross multiply
1,806,340.80x = 2,493,022.80 × 1,153,245.84 - Step 4: Simplify right side
1,806,340.80x = 2,875,068,173,125.15 - Step 5: Solve for x
x = 2,875,068,173,125.15/1,806,340.80 - Step 6: Final answer
x = 1,591,653.23
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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.