Finding the Fourth Proportional to 2,658,609.93, 3,659,645.55 and 2,318,487.69
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Solution
The fourth proportional to 2,658,609.93, 3,659,645.55 and 2,318,487.69 is: 3,191,458.46
Step by Step Solution
- Step 1: Write the proportion equation
2,658,609.93 : 3,659,645.55 = 2,318,487.69 : x - Step 2: Convert to fraction form
2,658,609.93/3,659,645.55 = 2,318,487.69/x - Step 3: Cross multiply
2,658,609.93x = 3,659,645.55 × 2,318,487.69 - Step 4: Simplify right side
2,658,609.93x = 8,484,843,157,438.28 - Step 5: Solve for x
x = 8,484,843,157,438.28/2,658,609.93 - Step 6: Final answer
x = 3,191,458.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.