Finding the Fourth Proportional to 5,621,382.36, 8,430,812.64 and 2,585,832.84
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Solution
The fourth proportional to 5,621,382.36, 8,430,812.64 and 2,585,832.84 is: 3,878,169.25
Step by Step Solution
- Step 1: Write the proportion equation
5,621,382.36 : 8,430,812.64 = 2,585,832.84 : x - Step 2: Convert to fraction form
5,621,382.36/8,430,812.64 = 2,585,832.84/x - Step 3: Cross multiply
5,621,382.36x = 8,430,812.64 × 2,585,832.84 - Step 4: Simplify right side
5,621,382.36x = 21,800,672,192,399.10 - Step 5: Solve for x
x = 21,800,672,192,399.10/5,621,382.36 - Step 6: Final answer
x = 3,878,169.25
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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.