Finding the Fourth Proportional to 5,727,270.48, 7,903,782.90 and 3,113,950.32
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Solution
The fourth proportional to 5,727,270.48, 7,903,782.90 and 3,113,950.32 is: 4,297,332.80
Step by Step Solution
- Step 1: Write the proportion equation
5,727,270.48 : 7,903,782.90 = 3,113,950.32 : x - Step 2: Convert to fraction form
5,727,270.48/7,903,782.90 = 3,113,950.32/x - Step 3: Cross multiply
5,727,270.48x = 7,903,782.90 × 3,113,950.32 - Step 4: Simplify right side
5,727,270.48x = 24,611,987,290,665.53 - Step 5: Solve for x
x = 24,611,987,290,665.53/5,727,270.48 - Step 6: Final answer
x = 4,297,332.80
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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.