Finding the Fourth Proportional to 1,480,892.18, 2,221,421.34 and 415,851.19
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Solution
The fourth proportional to 1,480,892.18, 2,221,421.34 and 415,851.19 is: 623,800.11
Step by Step Solution
- Step 1: Write the proportion equation
1,480,892.18 : 2,221,421.34 = 415,851.19 : x - Step 2: Convert to fraction form
1,480,892.18/2,221,421.34 = 415,851.19/x - Step 3: Cross multiply
1,480,892.18x = 2,221,421.34 × 415,851.19 - Step 4: Simplify right side
1,480,892.18x = 923,780,707,730.40 - Step 5: Solve for x
x = 923,780,707,730.40/1,480,892.18 - Step 6: Final answer
x = 623,800.11
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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.