Finding the Fourth Proportional to 1,483,989.92, 2,226,070.98 and 418,942.79
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Solution
The fourth proportional to 1,483,989.92, 2,226,070.98 and 418,942.79 is: 628,438.49
Step by Step Solution
- Step 1: Write the proportion equation
1,483,989.92 : 2,226,070.98 = 418,942.79 : x - Step 2: Convert to fraction form
1,483,989.92/2,226,070.98 = 418,942.79/x - Step 3: Cross multiply
1,483,989.92x = 2,226,070.98 × 418,942.79 - Step 4: Simplify right side
1,483,989.92x = 932,596,375,968.88 - Step 5: Solve for x
x = 932,596,375,968.88/1,483,989.92 - Step 6: Final answer
x = 628,438.49
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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.