Finding the Fourth Proportional to 4,175,727.20, 6,263,590.80 and 2,916,015.20
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Solution
The fourth proportional to 4,175,727.20, 6,263,590.80 and 2,916,015.20 is: 4,374,022.80
Step by Step Solution
- Step 1: Write the proportion equation
4,175,727.20 : 6,263,590.80 = 2,916,015.20 : x - Step 2: Convert to fraction form
4,175,727.20/6,263,590.80 = 2,916,015.20/x - Step 3: Cross multiply
4,175,727.20x = 6,263,590.80 × 2,916,015.20 - Step 4: Simplify right side
4,175,727.20x = 18,264,725,979,380.16 - Step 5: Solve for x
x = 18,264,725,979,380.16/4,175,727.20 - Step 6: Final answer
x = 4,374,022.80
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1.5x scale
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.