Finding the Fourth Proportional to 3,611,685.90, 4,980,898.26 and 2,389,240.38
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Solution
The fourth proportional to 3,611,685.90, 4,980,898.26 and 2,389,240.38 is: 3,295,016.12
Step by Step Solution
- Step 1: Write the proportion equation
3,611,685.90 : 4,980,898.26 = 2,389,240.38 : x - Step 2: Convert to fraction form
3,611,685.90/4,980,898.26 = 2,389,240.38/x - Step 3: Cross multiply
3,611,685.90x = 4,980,898.26 × 2,389,240.38 - Step 4: Simplify right side
3,611,685.90x = 11,900,563,251,463.74 - Step 5: Solve for x
x = 11,900,563,251,463.74/3,611,685.90 - Step 6: Final answer
x = 3,295,016.12
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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.