Finding the Fourth Proportional to 1,389,303.36, 2,081,571.84 and 933,039.36
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Solution
The fourth proportional to 1,389,303.36, 2,081,571.84 and 933,039.36 is: 1,397,958.51
Step by Step Solution
- Step 1: Write the proportion equation
1,389,303.36 : 2,081,571.84 = 933,039.36 : x - Step 2: Convert to fraction form
1,389,303.36/2,081,571.84 = 933,039.36/x - Step 3: Cross multiply
1,389,303.36x = 2,081,571.84 × 933,039.36 - Step 4: Simplify right side
1,389,303.36x = 1,942,188,457,387.62 - Step 5: Solve for x
x = 1,942,188,457,387.62/1,389,303.36 - Step 6: Final answer
x = 1,397,958.51
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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.