Finding the Fourth Proportional to 3,580,438.12, 5,370,650.46 and 1,057,865.32
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Solution
The fourth proportional to 3,580,438.12, 5,370,650.46 and 1,057,865.32 is: 1,586,795.99
Step by Step Solution
- Step 1: Write the proportion equation
3,580,438.12 : 5,370,650.46 = 1,057,865.32 : x - Step 2: Convert to fraction form
3,580,438.12/5,370,650.46 = 1,057,865.32/x - Step 3: Cross multiply
3,580,438.12x = 5,370,650.46 × 1,057,865.32 - Step 4: Simplify right side
3,580,438.12x = 5,681,424,867,476.05 - Step 5: Solve for x
x = 5,681,424,867,476.05/3,580,438.12 - Step 6: Final answer
x = 1,586,795.99
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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.