Finding the Fourth Proportional to 2,137,539.68, 2,949,804.72 and 1,170,672.24
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Solution
The fourth proportional to 2,137,539.68, 2,949,804.72 and 1,170,672.24 is: 1,615,527.67
Step by Step Solution
- Step 1: Write the proportion equation
2,137,539.68 : 2,949,804.72 = 1,170,672.24 : x - Step 2: Convert to fraction form
2,137,539.68/2,949,804.72 = 1,170,672.24/x - Step 3: Cross multiply
2,137,539.68x = 2,949,804.72 × 1,170,672.24 - Step 4: Simplify right side
2,137,539.68x = 3,453,254,499,124.97 - Step 5: Solve for x
x = 3,453,254,499,124.97/2,137,539.68 - Step 6: Final answer
x = 1,615,527.67
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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.