Finding the Fourth Proportional to 4,493,412.80, 6,740,119.20 and 4,283,460.80
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Solution
The fourth proportional to 4,493,412.80, 6,740,119.20 and 4,283,460.80 is: 6,425,191.20
Step by Step Solution
- Step 1: Write the proportion equation
4,493,412.80 : 6,740,119.20 = 4,283,460.80 : x - Step 2: Convert to fraction form
4,493,412.80/6,740,119.20 = 4,283,460.80/x - Step 3: Cross multiply
4,493,412.80x = 6,740,119.20 × 4,283,460.80 - Step 4: Simplify right side
4,493,412.80x = 28,871,036,380,527.36 - Step 5: Solve for x
x = 28,871,036,380,527.36/4,493,412.80 - Step 6: Final answer
x = 6,425,191.20
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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.