Finding the Fourth Proportional to 1,480,748.38, 2,221,258.11 and 415,783.26
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Solution
The fourth proportional to 1,480,748.38, 2,221,258.11 and 415,783.26 is: 623,712.95
Step by Step Solution
- Step 1: Write the proportion equation
1,480,748.38 : 2,221,258.11 = 415,783.26 : x - Step 2: Convert to fraction form
1,480,748.38/2,221,258.11 = 415,783.26/x - Step 3: Cross multiply
1,480,748.38x = 2,221,258.11 × 415,783.26 - Step 4: Simplify right side
1,480,748.38x = 923,561,940,226.22 - Step 5: Solve for x
x = 923,561,940,226.22/1,480,748.38 - Step 6: Final answer
x = 623,712.95
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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.