Finding the Fourth Proportional to 1,806,464.12, 2,492,691.36 and 990,453.07
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Solution
The fourth proportional to 1,806,464.12, 2,492,691.36 and 990,453.07 is: 1,366,699.61
Step by Step Solution
- Step 1: Write the proportion equation
1,806,464.12 : 2,492,691.36 = 990,453.07 : x - Step 2: Convert to fraction form
1,806,464.12/2,492,691.36 = 990,453.07/x - Step 3: Cross multiply
1,806,464.12x = 2,492,691.36 × 990,453.07 - Step 4: Simplify right side
1,806,464.12x = 2,468,893,810,074.48 - Step 5: Solve for x
x = 2,468,893,810,074.48/1,806,464.12 - Step 6: Final answer
x = 1,366,699.61
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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.