Finding the Fourth Proportional to 5,811,324.80, 8,716,987.20 and 3,291,900.80
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Solution
The fourth proportional to 5,811,324.80, 8,716,987.20 and 3,291,900.80 is: 4,937,851.20
Step by Step Solution
- Step 1: Write the proportion equation
5,811,324.80 : 8,716,987.20 = 3,291,900.80 : x - Step 2: Convert to fraction form
5,811,324.80/8,716,987.20 = 3,291,900.80/x - Step 3: Cross multiply
5,811,324.80x = 8,716,987.20 × 3,291,900.80 - Step 4: Simplify right side
5,811,324.80x = 28,695,457,137,269.76 - Step 5: Solve for x
x = 28,695,457,137,269.76/5,811,324.80 - Step 6: Final answer
x = 4,937,851.20
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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.