Finding the Fourth Proportional to 2,216,739.92, 3,059,274.36 and 1,236,987
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Solution
The fourth proportional to 2,216,739.92, 3,059,274.36 and 1,236,987 is: 1,707,138.75
Step by Step Solution
- Step 1: Write the proportion equation
2,216,739.92 : 3,059,274.36 = 1,236,987 : x - Step 2: Convert to fraction form
2,216,739.92/3,059,274.36 = 1,236,987/x - Step 3: Cross multiply
2,216,739.92x = 3,059,274.36 × 1,236,987 - Step 4: Simplify right side
2,216,739.92x = 3,784,282,612,753.32 - Step 5: Solve for x
x = 3,784,282,612,753.32/2,216,739.92 - Step 6: Final answer
x = 1,707,138.75
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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.