Finding the Fourth Proportional to 3,993,445.64, 5,515,501.14 and 2,684,424.92
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Solution
The fourth proportional to 3,993,445.64, 5,515,501.14 and 2,684,424.92 is: 3,707,562.35
Step by Step Solution
- Step 1: Write the proportion equation
3,993,445.64 : 5,515,501.14 = 2,684,424.92 : x - Step 2: Convert to fraction form
3,993,445.64/5,515,501.14 = 2,684,424.92/x - Step 3: Cross multiply
3,993,445.64x = 5,515,501.14 × 2,684,424.92 - Step 4: Simplify right side
3,993,445.64x = 14,805,948,706,504.41 - Step 5: Solve for x
x = 14,805,948,706,504.41/3,993,445.64 - Step 6: Final answer
x = 3,707,562.35
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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.