Finding the Fourth Proportional to 1,630,884.78, 2,446,137.09 and 432,900.18
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Solution
The fourth proportional to 1,630,884.78, 2,446,137.09 and 432,900.18 is: 649,299.82
Step by Step Solution
- Step 1: Write the proportion equation
1,630,884.78 : 2,446,137.09 = 432,900.18 : x - Step 2: Convert to fraction form
1,630,884.78/2,446,137.09 = 432,900.18/x - Step 3: Cross multiply
1,630,884.78x = 2,446,137.09 × 432,900.18 - Step 4: Simplify right side
1,630,884.78x = 1,058,933,186,565.68 - Step 5: Solve for x
x = 1,058,933,186,565.68/1,630,884.78 - Step 6: Final answer
x = 649,299.82
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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.