Finding the Fourth Proportional to 3,688,700.40, 5,527,145.70 and 2,425,051.80
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Solution
The fourth proportional to 3,688,700.40, 5,527,145.70 and 2,425,051.80 is: 3,633,695.66
Step by Step Solution
- Step 1: Write the proportion equation
3,688,700.40 : 5,527,145.70 = 2,425,051.80 : x - Step 2: Convert to fraction form
3,688,700.40/5,527,145.70 = 2,425,051.80/x - Step 3: Cross multiply
3,688,700.40x = 5,527,145.70 × 2,425,051.80 - Step 4: Simplify right side
3,688,700.40x = 13,403,614,628,647.26 - Step 5: Solve for x
x = 13,403,614,628,647.26/3,688,700.40 - Step 6: Final answer
x = 3,633,695.66
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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.