Finding the Fourth Proportional to 1,490,449.70, 2,235,796.05 and 637,527.80
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Solution
The fourth proportional to 1,490,449.70, 2,235,796.05 and 637,527.80 is: 956,343.67
Step by Step Solution
- Step 1: Write the proportion equation
1,490,449.70 : 2,235,796.05 = 637,527.80 : x - Step 2: Convert to fraction form
1,490,449.70/2,235,796.05 = 637,527.80/x - Step 3: Cross multiply
1,490,449.70x = 2,235,796.05 × 637,527.80 - Step 4: Simplify right side
1,490,449.70x = 1,425,382,137,005.19 - Step 5: Solve for x
x = 1,425,382,137,005.19/1,490,449.70 - Step 6: Final answer
x = 956,343.67
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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.