Finding the Fourth Proportional to 1,660,319.48, 2,276,295.90 and 1,630,052.21
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Solution
The fourth proportional to 1,660,319.48, 2,276,295.90 and 1,630,052.21 is: 2,234,799.51
Step by Step Solution
- Step 1: Write the proportion equation
1,660,319.48 : 2,276,295.90 = 1,630,052.21 : x - Step 2: Convert to fraction form
1,660,319.48/2,276,295.90 = 1,630,052.21/x - Step 3: Cross multiply
1,660,319.48x = 2,276,295.90 × 1,630,052.21 - Step 4: Simplify right side
1,660,319.48x = 3,710,481,151,027.46 - Step 5: Solve for x
x = 3,710,481,151,027.46/1,660,319.48 - Step 6: Final answer
x = 2,234,799.51
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.