Finding the Fourth Proportional to 5,438,317.60, 7,504,289.97 and 3,146,050
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Solution
The fourth proportional to 5,438,317.60, 7,504,289.97 and 3,146,050 is: 4,341,208.66
Step by Step Solution
- Step 1: Write the proportion equation
5,438,317.60 : 7,504,289.97 = 3,146,050 : x - Step 2: Convert to fraction form
5,438,317.60/7,504,289.97 = 3,146,050/x - Step 3: Cross multiply
5,438,317.60x = 7,504,289.97 × 3,146,050 - Step 4: Simplify right side
5,438,317.60x = 23,608,871,460,118.50 - Step 5: Solve for x
x = 23,608,871,460,118.50/5,438,317.60 - Step 6: Final answer
x = 4,341,208.66
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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.