Finding the Fourth Proportional to 1,540,634.40, 2,310,908.40 and 699,184.80
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Solution
The fourth proportional to 1,540,634.40, 2,310,908.40 and 699,184.80 is: 1,048,757.59
Step by Step Solution
- Step 1: Write the proportion equation
1,540,634.40 : 2,310,908.40 = 699,184.80 : x - Step 2: Convert to fraction form
1,540,634.40/2,310,908.40 = 699,184.80/x - Step 3: Cross multiply
1,540,634.40x = 2,310,908.40 × 699,184.80 - Step 4: Simplify right side
1,540,634.40x = 1,615,752,027,472.32 - Step 5: Solve for x
x = 1,615,752,027,472.32/1,540,634.40 - Step 6: Final answer
x = 1,048,757.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.