Finding the Fourth Proportional to 1,449,723.20, 2,175,103.20 and 608,532.80
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Solution
The fourth proportional to 1,449,723.20, 2,175,103.20 and 608,532.80 is: 913,016.80
Step by Step Solution
- Step 1: Write the proportion equation
1,449,723.20 : 2,175,103.20 = 608,532.80 : x - Step 2: Convert to fraction form
1,449,723.20/2,175,103.20 = 608,532.80/x - Step 3: Cross multiply
1,449,723.20x = 2,175,103.20 × 608,532.80 - Step 4: Simplify right side
1,449,723.20x = 1,323,621,640,584.96 - Step 5: Solve for x
x = 1,323,621,640,584.96/1,449,723.20 - Step 6: Final answer
x = 913,016.80
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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.