Finding the Fourth Proportional to 6,868,268.80, 10,302,403.20 and 3,081,875.20
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Solution
The fourth proportional to 6,868,268.80, 10,302,403.20 and 3,081,875.20 is: 4,622,812.80
Step by Step Solution
- Step 1: Write the proportion equation
6,868,268.80 : 10,302,403.20 = 3,081,875.20 : x - Step 2: Convert to fraction form
6,868,268.80/10,302,403.20 = 3,081,875.20/x - Step 3: Cross multiply
6,868,268.80x = 10,302,403.20 × 3,081,875.20 - Step 4: Simplify right side
6,868,268.80x = 31,750,720,922,480.64 - Step 5: Solve for x
x = 31,750,720,922,480.64/6,868,268.80 - Step 6: Final answer
x = 4,622,812.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.