Finding the Fourth Proportional to 2,297,909.79, 3,170,634.84 and 1,330,982.42
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Solution
The fourth proportional to 2,297,909.79, 3,170,634.84 and 1,330,982.42 is: 1,836,477.32
Step by Step Solution
- Step 1: Write the proportion equation
2,297,909.79 : 3,170,634.84 = 1,330,982.42 : x - Step 2: Convert to fraction form
2,297,909.79/3,170,634.84 = 1,330,982.42/x - Step 3: Cross multiply
2,297,909.79x = 3,170,634.84 × 1,330,982.42 - Step 4: Simplify right side
2,297,909.79x = 4,220,059,216,426.34 - Step 5: Solve for x
x = 4,220,059,216,426.34/2,297,909.79 - Step 6: Final answer
x = 1,836,477.32
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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.