Finding the Fourth Proportional to 2,702,992.92, 3,730,131.70 and 1,479,297.74
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Solution
The fourth proportional to 2,702,992.92, 3,730,131.70 and 1,479,297.74 is: 2,041,431.69
Step by Step Solution
- Step 1: Write the proportion equation
2,702,992.92 : 3,730,131.70 = 1,479,297.74 : x - Step 2: Convert to fraction form
2,702,992.92/3,730,131.70 = 1,479,297.74/x - Step 3: Cross multiply
2,702,992.92x = 3,730,131.70 × 1,479,297.74 - Step 4: Simplify right side
2,702,992.92x = 5,517,975,393,712.36 - Step 5: Solve for x
x = 5,517,975,393,712.36/2,702,992.92 - Step 6: Final answer
x = 2,041,431.69
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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.