Finding the Fourth Proportional to 1,891,405.08, 2,837,939.36 and 992,636.24
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Solution
The fourth proportional to 1,891,405.08, 2,837,939.36 and 992,636.24 is: 1,489,390.88
Step by Step Solution
- Step 1: Write the proportion equation
1,891,405.08 : 2,837,939.36 = 992,636.24 : x - Step 2: Convert to fraction form
1,891,405.08/2,837,939.36 = 992,636.24/x - Step 3: Cross multiply
1,891,405.08x = 2,837,939.36 × 992,636.24 - Step 4: Simplify right side
1,891,405.08x = 2,817,041,468,826.01 - Step 5: Solve for x
x = 2,817,041,468,826.01/1,891,405.08 - Step 6: Final answer
x = 1,489,390.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.