Finding the Fourth Proportional to 2,309,911.80, 3,458,306.70 and 2,184,232.20
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Solution
The fourth proportional to 2,309,911.80, 3,458,306.70 and 2,184,232.20 is: 3,270,144.28
Step by Step Solution
- Step 1: Write the proportion equation
2,309,911.80 : 3,458,306.70 = 2,184,232.20 : x - Step 2: Convert to fraction form
2,309,911.80/3,458,306.70 = 2,184,232.20/x - Step 3: Cross multiply
2,309,911.80x = 3,458,306.70 × 2,184,232.20 - Step 4: Simplify right side
2,309,911.80x = 7,553,744,851,615.74 - Step 5: Solve for x
x = 7,553,744,851,615.74/2,309,911.80 - Step 6: Final answer
x = 3,270,144.28
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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.