Finding the Fourth Proportional to 3,942,719.63, 5,441,023.95 and 2,312,302.94
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Solution
The fourth proportional to 3,942,719.63, 5,441,023.95 and 2,312,302.94 is: 3,191,019.62
Step by Step Solution
- Step 1: Write the proportion equation
3,942,719.63 : 5,441,023.95 = 2,312,302.94 : x - Step 2: Convert to fraction form
3,942,719.63/5,441,023.95 = 2,312,302.94/x - Step 3: Cross multiply
3,942,719.63x = 5,441,023.95 × 2,312,302.94 - Step 4: Simplify right side
3,942,719.63x = 12,581,295,676,195.41 - Step 5: Solve for x
x = 12,581,295,676,195.41/3,942,719.63 - Step 6: Final answer
x = 3,191,019.62
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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.