Finding the Fourth Proportional to 4,126,540.80, 6,191,560.80 and 2,611,387.20
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Solution
The fourth proportional to 4,126,540.80, 6,191,560.80 and 2,611,387.20 is: 3,918,187.99
Step by Step Solution
- Step 1: Write the proportion equation
4,126,540.80 : 6,191,560.80 = 2,611,387.20 : x - Step 2: Convert to fraction form
4,126,540.80/6,191,560.80 = 2,611,387.20/x - Step 3: Cross multiply
4,126,540.80x = 6,191,560.80 × 2,611,387.20 - Step 4: Simplify right side
4,126,540.80x = 16,168,562,621,141.76 - Step 5: Solve for x
x = 16,168,562,621,141.76/4,126,540.80 - Step 6: Final answer
x = 3,918,187.99
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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.