Finding the Fourth Proportional to 2,677,438.40, 4,010,252.70 and 1,413,789.80
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Solution
The fourth proportional to 2,677,438.40, 4,010,252.70 and 1,413,789.80 is: 2,117,566.69
Step by Step Solution
- Step 1: Write the proportion equation
2,677,438.40 : 4,010,252.70 = 1,413,789.80 : x - Step 2: Convert to fraction form
2,677,438.40/4,010,252.70 = 1,413,789.80/x - Step 3: Cross multiply
2,677,438.40x = 4,010,252.70 × 1,413,789.80 - Step 4: Simplify right side
2,677,438.40x = 5,669,654,362,682.46 - Step 5: Solve for x
x = 5,669,654,362,682.46/2,677,438.40 - Step 6: Final answer
x = 2,117,566.69
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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.