Finding the Fourth Proportional to 9,781,311.60, 14,672,615.40 and 2,592,745.20
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Solution
The fourth proportional to 9,781,311.60, 14,672,615.40 and 2,592,745.20 is: 3,889,289.57
Step by Step Solution
- Step 1: Write the proportion equation
9,781,311.60 : 14,672,615.40 = 2,592,745.20 : x - Step 2: Convert to fraction form
9,781,311.60/14,672,615.40 = 2,592,745.20/x - Step 3: Cross multiply
9,781,311.60x = 14,672,615.40 × 2,592,745.20 - Step 4: Simplify right side
9,781,311.60x = 38,042,353,149,796.09 - Step 5: Solve for x
x = 38,042,353,149,796.09/9,781,311.60 - Step 6: Final answer
x = 3,889,289.57
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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.