Finding the Fourth Proportional to 2,875,685.44, 3,968,418.52 and 1,586,536.24
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Solution
The fourth proportional to 2,875,685.44, 3,968,418.52 and 1,586,536.24 is: 2,189,404.90
Step by Step Solution
- Step 1: Write the proportion equation
2,875,685.44 : 3,968,418.52 = 1,586,536.24 : x - Step 2: Convert to fraction form
2,875,685.44/3,968,418.52 = 1,586,536.24/x - Step 3: Cross multiply
2,875,685.44x = 3,968,418.52 × 1,586,536.24 - Step 4: Simplify right side
2,875,685.44x = 6,296,039,797,467.17 - Step 5: Solve for x
x = 6,296,039,797,467.17/2,875,685.44 - Step 6: Final answer
x = 2,189,404.90
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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.