Finding the Fourth Proportional to 1,480,745.61, 2,221,253.97 and 415,780.50
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Solution
The fourth proportional to 1,480,745.61, 2,221,253.97 and 415,780.50 is: 623,708.81
Step by Step Solution
- Step 1: Write the proportion equation
1,480,745.61 : 2,221,253.97 = 415,780.50 : x - Step 2: Convert to fraction form
1,480,745.61/2,221,253.97 = 415,780.50/x - Step 3: Cross multiply
1,480,745.61x = 2,221,253.97 × 415,780.50 - Step 4: Simplify right side
1,480,745.61x = 923,554,086,273.59 - Step 5: Solve for x
x = 923,554,086,273.59/1,480,745.61 - Step 6: Final answer
x = 623,708.81
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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.