Finding the Fourth Proportional to 3,291,707.40, 4,542,373.50 and 1,841,122.62
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Solution
The fourth proportional to 3,291,707.40, 4,542,373.50 and 1,841,122.62 is: 2,540,647.02
Step by Step Solution
- Step 1: Write the proportion equation
3,291,707.40 : 4,542,373.50 = 1,841,122.62 : x - Step 2: Convert to fraction form
3,291,707.40/4,542,373.50 = 1,841,122.62/x - Step 3: Cross multiply
3,291,707.40x = 4,542,373.50 × 1,841,122.62 - Step 4: Simplify right side
3,291,707.40x = 8,363,066,599,338.57 - Step 5: Solve for x
x = 8,363,066,599,338.57/3,291,707.40 - Step 6: Final answer
x = 2,540,647.02
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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.