Finding the Fourth Proportional to 5,464,331.80, 8,189,499.30 and 4,195,871.80
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Solution
The fourth proportional to 5,464,331.80, 8,189,499.30 and 4,195,871.80 is: 6,288,433.87
Step by Step Solution
- Step 1: Write the proportion equation
5,464,331.80 : 8,189,499.30 = 4,195,871.80 : x - Step 2: Convert to fraction form
5,464,331.80/8,189,499.30 = 4,195,871.80/x - Step 3: Cross multiply
5,464,331.80x = 8,189,499.30 × 4,195,871.80 - Step 4: Simplify right side
5,464,331.80x = 34,362,089,168,989.74 - Step 5: Solve for x
x = 34,362,089,168,989.74/5,464,331.80 - Step 6: Final answer
x = 6,288,433.87
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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.