Finding the Fourth Proportional to 3,824,523.79, 5,735,448.87 and 1,128,133.22
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Solution
The fourth proportional to 3,824,523.79, 5,735,448.87 and 1,128,133.22 is: 1,691,805.50
Step by Step Solution
- Step 1: Write the proportion equation
3,824,523.79 : 5,735,448.87 = 1,128,133.22 : x - Step 2: Convert to fraction form
3,824,523.79/5,735,448.87 = 1,128,133.22/x - Step 3: Cross multiply
3,824,523.79x = 5,735,448.87 × 1,128,133.22 - Step 4: Simplify right side
3,824,523.79x = 6,470,350,401,858.46 - Step 5: Solve for x
x = 6,470,350,401,858.46/3,824,523.79 - Step 6: Final answer
x = 1,691,805.50
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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.