Finding the Fourth Proportional to 4,738,419.99, 7,107,624.48 and 1,543,541.04
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Solution
The fourth proportional to 4,738,419.99, 7,107,624.48 and 1,543,541.04 is: 2,315,309.77
Step by Step Solution
- Step 1: Write the proportion equation
4,738,419.99 : 7,107,624.48 = 1,543,541.04 : x - Step 2: Convert to fraction form
4,738,419.99/7,107,624.48 = 1,543,541.04/x - Step 3: Cross multiply
4,738,419.99x = 7,107,624.48 × 1,543,541.04 - Step 4: Simplify right side
4,738,419.99x = 10,970,910,081,788.66 - Step 5: Solve for x
x = 10,970,910,081,788.66/4,738,419.99 - Step 6: Final answer
x = 2,315,309.77
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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.