Finding the Fourth Proportional to 5,273,440.92, 7,910,896.65 and 1,630,468.20
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Solution
The fourth proportional to 5,273,440.92, 7,910,896.65 and 1,630,468.20 is: 2,445,929.63
Step by Step Solution
- Step 1: Write the proportion equation
5,273,440.92 : 7,910,896.65 = 1,630,468.20 : x - Step 2: Convert to fraction form
5,273,440.92/7,910,896.65 = 1,630,468.20/x - Step 3: Cross multiply
5,273,440.92x = 7,910,896.65 × 1,630,468.20 - Step 4: Simplify right side
5,273,440.92x = 12,898,465,421,311.53 - Step 5: Solve for x
x = 12,898,465,421,311.53/5,273,440.92 - Step 6: Final answer
x = 2,445,929.63
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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.