Finding the Fourth Proportional to 1,465,649.40, 2,198,692.80 and 518,945.70
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Solution
The fourth proportional to 1,465,649.40, 2,198,692.80 and 518,945.70 is: 778,495.99
Step by Step Solution
- Step 1: Write the proportion equation
1,465,649.40 : 2,198,692.80 = 518,945.70 : x - Step 2: Convert to fraction form
1,465,649.40/2,198,692.80 = 518,945.70/x - Step 3: Cross multiply
1,465,649.40x = 2,198,692.80 × 518,945.70 - Step 4: Simplify right side
1,465,649.40x = 1,141,002,174,180.96 - Step 5: Solve for x
x = 1,141,002,174,180.96/1,465,649.40 - Step 6: Final answer
x = 778,495.99
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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.