Finding the Fourth Proportional to 2,744,689.14, 3,787,679.92 and 1,521,014.84
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Solution
The fourth proportional to 2,744,689.14, 3,787,679.92 and 1,521,014.84 is: 2,099,005.42
Step by Step Solution
- Step 1: Write the proportion equation
2,744,689.14 : 3,787,679.92 = 1,521,014.84 : x - Step 2: Convert to fraction form
2,744,689.14/3,787,679.92 = 1,521,014.84/x - Step 3: Cross multiply
2,744,689.14x = 3,787,679.92 × 1,521,014.84 - Step 4: Simplify right side
2,744,689.14x = 5,761,117,367,490.01 - Step 5: Solve for x
x = 5,761,117,367,490.01/2,744,689.14 - Step 6: Final answer
x = 2,099,005.42
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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.