Finding the Fourth Proportional to 1,626,309, 2,244,306.42 and 990,405
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Solution
The fourth proportional to 1,626,309, 2,244,306.42 and 990,405 is: 1,366,758.90
Step by Step Solution
- Step 1: Write the proportion equation
1,626,309 : 2,244,306.42 = 990,405 : x - Step 2: Convert to fraction form
1,626,309/2,244,306.42 = 990,405/x - Step 3: Cross multiply
1,626,309x = 2,244,306.42 × 990,405 - Step 4: Simplify right side
1,626,309x = 2,222,772,299,900.10 - Step 5: Solve for x
x = 2,222,772,299,900.10/1,626,309 - Step 6: Final answer
x = 1,366,758.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.