Finding the Fourth Proportional to 7,275,767.40, 10,913,651.10 and 2,158,381.80
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Solution
The fourth proportional to 7,275,767.40, 10,913,651.10 and 2,158,381.80 is: 3,237,572.70
Step by Step Solution
- Step 1: Write the proportion equation
7,275,767.40 : 10,913,651.10 = 2,158,381.80 : x - Step 2: Convert to fraction form
7,275,767.40/10,913,651.10 = 2,158,381.80/x - Step 3: Cross multiply
7,275,767.40x = 10,913,651.10 × 2,158,381.80 - Step 4: Simplify right side
7,275,767.40x = 23,555,825,905,789.98 - Step 5: Solve for x
x = 23,555,825,905,789.98/7,275,767.40 - Step 6: Final answer
x = 3,237,572.70
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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.