Finding the Fourth Proportional to 4,157,008.40, 6,234,216.60 and 1,633,437.20
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Solution
The fourth proportional to 4,157,008.40, 6,234,216.60 and 1,633,437.20 is: 2,449,646.56
Step by Step Solution
- Step 1: Write the proportion equation
4,157,008.40 : 6,234,216.60 = 1,633,437.20 : x - Step 2: Convert to fraction form
4,157,008.40/6,234,216.60 = 1,633,437.20/x - Step 3: Cross multiply
4,157,008.40x = 6,234,216.60 × 1,633,437.20 - Step 4: Simplify right side
4,157,008.40x = 10,183,201,307,297.52 - Step 5: Solve for x
x = 10,183,201,307,297.52/4,157,008.40 - Step 6: Final answer
x = 2,449,646.56
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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.