Finding the Fourth Proportional to 2,236,746.80, 3,086,797.95 and 1,269,967.05
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Solution
The fourth proportional to 2,236,746.80, 3,086,797.95 and 1,269,967.05 is: 1,752,604.14
Step by Step Solution
- Step 1: Write the proportion equation
2,236,746.80 : 3,086,797.95 = 1,269,967.05 : x - Step 2: Convert to fraction form
2,236,746.80/3,086,797.95 = 1,269,967.05/x - Step 3: Cross multiply
2,236,746.80x = 3,086,797.95 × 1,269,967.05 - Step 4: Simplify right side
2,236,746.80x = 3,920,131,686,507.55 - Step 5: Solve for x
x = 3,920,131,686,507.55/2,236,746.80 - Step 6: Final answer
x = 1,752,604.14
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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.