Finding the Fourth Proportional to 1,778,847.05, 2,668,344.41 and 516,674.67
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Solution
The fourth proportional to 1,778,847.05, 2,668,344.41 and 516,674.67 is: 775,033.45
Step by Step Solution
- Step 1: Write the proportion equation
1,778,847.05 : 2,668,344.41 = 516,674.67 : x - Step 2: Convert to fraction form
1,778,847.05/2,668,344.41 = 516,674.67/x - Step 3: Cross multiply
1,778,847.05x = 2,668,344.41 × 516,674.67 - Step 4: Simplify right side
1,778,847.05x = 1,378,665,964,899.72 - Step 5: Solve for x
x = 1,378,665,964,899.72/1,778,847.05 - Step 6: Final answer
x = 775,033.45
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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.