Finding the Fourth Proportional to 2,137,210.81, 2,949,262.34 and 1,170,324.44
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Solution
The fourth proportional to 2,137,210.81, 2,949,262.34 and 1,170,324.44 is: 1,614,999.23
Step by Step Solution
- Step 1: Write the proportion equation
2,137,210.81 : 2,949,262.34 = 1,170,324.44 : x - Step 2: Convert to fraction form
2,137,210.81/2,949,262.34 = 1,170,324.44/x - Step 3: Cross multiply
2,137,210.81x = 2,949,262.34 × 1,170,324.44 - Step 4: Simplify right side
2,137,210.81x = 3,451,593,806,772.56 - Step 5: Solve for x
x = 3,451,593,806,772.56/2,137,210.81 - Step 6: Final answer
x = 1,614,999.23
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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.