Finding the Fourth Proportional to 2,538,121, 3,807,285.18 and 644,911.24
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Solution
The fourth proportional to 2,538,121, 3,807,285.18 and 644,911.24 is: 967,393.20
Step by Step Solution
- Step 1: Write the proportion equation
2,538,121 : 3,807,285.18 = 644,911.24 : x - Step 2: Convert to fraction form
2,538,121/3,807,285.18 = 644,911.24/x - Step 3: Cross multiply
2,538,121x = 3,807,285.18 × 644,911.24 - Step 4: Simplify right side
2,538,121x = 2,455,361,006,467.42 - Step 5: Solve for x
x = 2,455,361,006,467.42/2,538,121 - Step 6: Final answer
x = 967,393.20
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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.