Finding the Fourth Proportional to 2,471,976.64, 3,411,045.84 and 1,384,096.96
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Solution
The fourth proportional to 2,471,976.64, 3,411,045.84 and 1,384,096.96 is: 1,909,895.95
Step by Step Solution
- Step 1: Write the proportion equation
2,471,976.64 : 3,411,045.84 = 1,384,096.96 : x - Step 2: Convert to fraction form
2,471,976.64/3,411,045.84 = 1,384,096.96/x - Step 3: Cross multiply
2,471,976.64x = 3,411,045.84 × 1,384,096.96 - Step 4: Simplify right side
2,471,976.64x = 4,721,218,177,564.65 - Step 5: Solve for x
x = 4,721,218,177,564.65/2,471,976.64 - Step 6: Final answer
x = 1,909,895.95
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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.