Finding the Fourth Proportional to 7,241,816.80, 10,869,723.60 and 4,407,464.80
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Solution
The fourth proportional to 7,241,816.80, 10,869,723.60 and 4,407,464.80 is: 6,615,456.52
Step by Step Solution
- Step 1: Write the proportion equation
7,241,816.80 : 10,869,723.60 = 4,407,464.80 : x - Step 2: Convert to fraction form
7,241,816.80/10,869,723.60 = 4,407,464.80/x - Step 3: Cross multiply
7,241,816.80x = 10,869,723.60 × 4,407,464.80 - Step 4: Simplify right side
7,241,816.80x = 47,907,924,152,729.27 - Step 5: Solve for x
x = 47,907,924,152,729.27/7,241,816.80 - Step 6: Final answer
x = 6,615,456.52
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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.