Finding the Fourth Proportional to 3,537,333.12, 4,876,576.80 and 2,991,278.16
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Solution
The fourth proportional to 3,537,333.12, 4,876,576.80 and 2,991,278.16 is: 4,123,783.99
Step by Step Solution
- Step 1: Write the proportion equation
3,537,333.12 : 4,876,576.80 = 2,991,278.16 : x - Step 2: Convert to fraction form
3,537,333.12/4,876,576.80 = 2,991,278.16/x - Step 3: Cross multiply
3,537,333.12x = 4,876,576.80 × 2,991,278.16 - Step 4: Simplify right side
3,537,333.12x = 14,587,197,677,402.69 - Step 5: Solve for x
x = 14,587,197,677,402.69/3,537,333.12 - Step 6: Final answer
x = 4,123,783.99
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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.