Finding the Fourth Proportional to 7,649,530.40, 11,474,295.60 and 2,600,840.90
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Solution
The fourth proportional to 7,649,530.40, 11,474,295.60 and 2,600,840.90 is: 3,901,261.35
Step by Step Solution
- Step 1: Write the proportion equation
7,649,530.40 : 11,474,295.60 = 2,600,840.90 : x - Step 2: Convert to fraction form
7,649,530.40/11,474,295.60 = 2,600,840.90/x - Step 3: Cross multiply
7,649,530.40x = 11,474,295.60 × 2,600,840.90 - Step 4: Simplify right side
7,649,530.40x = 29,842,817,295,170.04 - Step 5: Solve for x
x = 29,842,817,295,170.04/7,649,530.40 - Step 6: Final answer
x = 3,901,261.35
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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.