Finding the Fourth Proportional to 1,515,963.21, 2,272,745.30 and 569,228.49
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Solution
The fourth proportional to 1,515,963.21, 2,272,745.30 and 569,228.49 is: 853,392.33
Step by Step Solution
- Step 1: Write the proportion equation
1,515,963.21 : 2,272,745.30 = 569,228.49 : x - Step 2: Convert to fraction form
1,515,963.21/2,272,745.30 = 569,228.49/x - Step 3: Cross multiply
1,515,963.21x = 2,272,745.30 × 569,228.49 - Step 4: Simplify right side
1,515,963.21x = 1,293,711,372,427.45 - Step 5: Solve for x
x = 1,293,711,372,427.45/1,515,963.21 - Step 6: Final answer
x = 853,392.33
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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.