Finding the Fourth Proportional to 3,020,461.80, 4,530,692.70 and 1,224,205.80
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Solution
The fourth proportional to 3,020,461.80, 4,530,692.70 and 1,224,205.80 is: 1,836,308.70
Step by Step Solution
- Step 1: Write the proportion equation
3,020,461.80 : 4,530,692.70 = 1,224,205.80 : x - Step 2: Convert to fraction form
3,020,461.80/4,530,692.70 = 1,224,205.80/x - Step 3: Cross multiply
3,020,461.80x = 4,530,692.70 × 1,224,205.80 - Step 4: Simplify right side
3,020,461.80x = 5,546,500,281,357.66 - Step 5: Solve for x
x = 5,546,500,281,357.66/3,020,461.80 - Step 6: Final answer
x = 1,836,308.70
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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.