Finding the Fourth Proportional to 5,576,709.80, 8,364,891.90 and 1,587,621.80
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Solution
The fourth proportional to 5,576,709.80, 8,364,891.90 and 1,587,621.80 is: 2,381,383.51
Step by Step Solution
- Step 1: Write the proportion equation
5,576,709.80 : 8,364,891.90 = 1,587,621.80 : x - Step 2: Convert to fraction form
5,576,709.80/8,364,891.90 = 1,587,621.80/x - Step 3: Cross multiply
5,576,709.80x = 8,364,891.90 × 1,587,621.80 - Step 4: Simplify right side
5,576,709.80x = 13,280,284,735,083.42 - Step 5: Solve for x
x = 13,280,284,735,083.42/5,576,709.80 - Step 6: Final answer
x = 2,381,383.51
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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.