Finding the Fourth Proportional to 4,142,346.09, 5,716,419.53 and 2,306,826.15
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Solution
The fourth proportional to 4,142,346.09, 5,716,419.53 and 2,306,826.15 is: 3,183,410.02
Step by Step Solution
- Step 1: Write the proportion equation
4,142,346.09 : 5,716,419.53 = 2,306,826.15 : x - Step 2: Convert to fraction form
4,142,346.09/5,716,419.53 = 2,306,826.15/x - Step 3: Cross multiply
4,142,346.09x = 5,716,419.53 × 2,306,826.15 - Step 4: Simplify right side
4,142,346.09x = 13,186,786,044,640.58 - Step 5: Solve for x
x = 13,186,786,044,640.58/4,142,346.09 - Step 6: Final answer
x = 3,183,410.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.