Finding the Fourth Proportional to 4,157,228.20, 6,235,842.30 and 2,738,885.80
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Solution
The fourth proportional to 4,157,228.20, 6,235,842.30 and 2,738,885.80 is: 4,108,328.70
Step by Step Solution
- Step 1: Write the proportion equation
4,157,228.20 : 6,235,842.30 = 2,738,885.80 : x - Step 2: Convert to fraction form
4,157,228.20/6,235,842.30 = 2,738,885.80/x - Step 3: Cross multiply
4,157,228.20x = 6,235,842.30 × 2,738,885.80 - Step 4: Simplify right side
4,157,228.20x = 17,079,259,926,509.34 - Step 5: Solve for x
x = 17,079,259,926,509.34/4,157,228.20 - Step 6: Final answer
x = 4,108,328.70
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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.