Finding the Fourth Proportional to 3,198,930.53, 4,798,395.80 and 1,069,014.63
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Solution
The fourth proportional to 3,198,930.53, 4,798,395.80 and 1,069,014.63 is: 1,603,521.95
Step by Step Solution
- Step 1: Write the proportion equation
3,198,930.53 : 4,798,395.80 = 1,069,014.63 : x - Step 2: Convert to fraction form
3,198,930.53/4,798,395.80 = 1,069,014.63/x - Step 3: Cross multiply
3,198,930.53x = 4,798,395.80 × 1,069,014.63 - Step 4: Simplify right side
3,198,930.53x = 5,129,555,305,385.48 - Step 5: Solve for x
x = 5,129,555,305,385.48/3,198,930.53 - Step 6: Final answer
x = 1,603,521.95
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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.