Finding the Fourth Proportional to 1,775,986.40, 2,661,792.60 and 1,207,366.40
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Solution
The fourth proportional to 1,775,986.40, 2,661,792.60 and 1,207,366.40 is: 1,809,562.81
Step by Step Solution
- Step 1: Write the proportion equation
1,775,986.40 : 2,661,792.60 = 1,207,366.40 : x - Step 2: Convert to fraction form
1,775,986.40/2,661,792.60 = 1,207,366.40/x - Step 3: Cross multiply
1,775,986.40x = 2,661,792.60 × 1,207,366.40 - Step 4: Simplify right side
1,775,986.40x = 3,213,758,949,008.64 - Step 5: Solve for x
x = 3,213,758,949,008.64/1,775,986.40 - Step 6: Final answer
x = 1,809,562.81
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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.