Finding the Fourth Proportional to 5,207,480.96, 7,807,438.02 and 2,175,713.87
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Solution
The fourth proportional to 5,207,480.96, 7,807,438.02 and 2,175,713.87 is: 3,261,990.07
Step by Step Solution
- Step 1: Write the proportion equation
5,207,480.96 : 7,807,438.02 = 2,175,713.87 : x - Step 2: Convert to fraction form
5,207,480.96/7,807,438.02 = 2,175,713.87/x - Step 3: Cross multiply
5,207,480.96x = 7,807,438.02 × 2,175,713.87 - Step 4: Simplify right side
5,207,480.96x = 16,986,751,158,401.08 - Step 5: Solve for x
x = 16,986,751,158,401.08/5,207,480.96 - Step 6: Final answer
x = 3,261,990.07
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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.