Finding the Fourth Proportional to 2,755,926.40, 4,124,558.40 and 2,420,003.20
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Solution
The fourth proportional to 2,755,926.40, 4,124,558.40 and 2,420,003.20 is: 3,621,810.99
Step by Step Solution
- Step 1: Write the proportion equation
2,755,926.40 : 4,124,558.40 = 2,420,003.20 : x - Step 2: Convert to fraction form
2,755,926.40/4,124,558.40 = 2,420,003.20/x - Step 3: Cross multiply
2,755,926.40x = 4,124,558.40 × 2,420,003.20 - Step 4: Simplify right side
2,755,926.40x = 9,981,444,526,586.88 - Step 5: Solve for x
x = 9,981,444,526,586.88/2,755,926.40 - Step 6: Final answer
x = 3,621,810.99
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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.