Finding the Fourth Proportional to 3,617,692.70, 5,421,873.45 and 2,772,052.70
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Solution
The fourth proportional to 3,617,692.70, 5,421,873.45 and 2,772,052.70 is: 4,154,504.04
Step by Step Solution
- Step 1: Write the proportion equation
3,617,692.70 : 5,421,873.45 = 2,772,052.70 : x - Step 2: Convert to fraction form
3,617,692.70/5,421,873.45 = 2,772,052.70/x - Step 3: Cross multiply
3,617,692.70x = 5,421,873.45 × 2,772,052.70 - Step 4: Simplify right side
3,617,692.70x = 15,029,718,936,130.82 - Step 5: Solve for x
x = 15,029,718,936,130.82/3,617,692.70 - Step 6: Final answer
x = 4,154,504.04
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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.