Finding the Fourth Proportional to 2,317,849.02, 3,198,621.60 and 1,299,253.80
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Solution
The fourth proportional to 2,317,849.02, 3,198,621.60 and 1,299,253.80 is: 1,792,964.61
Step by Step Solution
- Step 1: Write the proportion equation
2,317,849.02 : 3,198,621.60 = 1,299,253.80 : x - Step 2: Convert to fraction form
2,317,849.02/3,198,621.60 = 1,299,253.80/x - Step 3: Cross multiply
2,317,849.02x = 3,198,621.60 × 1,299,253.80 - Step 4: Simplify right side
2,317,849.02x = 4,155,821,268,562.08 - Step 5: Solve for x
x = 4,155,821,268,562.08/2,317,849.02 - Step 6: Final answer
x = 1,792,964.61
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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.