Finding the Fourth Proportional to 3,278,455.68, 4,524,326.64 and 1,808,532.48
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Solution
The fourth proportional to 3,278,455.68, 4,524,326.64 and 1,808,532.48 is: 2,495,806.71
Step by Step Solution
- Step 1: Write the proportion equation
3,278,455.68 : 4,524,326.64 = 1,808,532.48 : x - Step 2: Convert to fraction form
3,278,455.68/4,524,326.64 = 1,808,532.48/x - Step 3: Cross multiply
3,278,455.68x = 4,524,326.64 × 1,808,532.48 - Step 4: Simplify right side
3,278,455.68x = 8,182,391,678,569.27 - Step 5: Solve for x
x = 8,182,391,678,569.27/3,278,455.68 - Step 6: Final answer
x = 2,495,806.71
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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.