Finding the Fourth Proportional to 2,542,474.18, 3,814,236.15 and 745,416.28
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Solution
The fourth proportional to 2,542,474.18, 3,814,236.15 and 745,416.28 is: 1,118,278.31
Step by Step Solution
- Step 1: Write the proportion equation
2,542,474.18 : 3,814,236.15 = 745,416.28 : x - Step 2: Convert to fraction form
2,542,474.18/3,814,236.15 = 745,416.28/x - Step 3: Cross multiply
2,542,474.18x = 3,814,236.15 × 745,416.28 - Step 4: Simplify right side
2,542,474.18x = 2,843,193,721,974.52 - Step 5: Solve for x
x = 2,843,193,721,974.52/2,542,474.18 - Step 6: Final answer
x = 1,118,278.31
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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.