Finding the Fourth Proportional to 2,187,115.36, 3,280,692.44 and 670,805.36
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Solution
The fourth proportional to 2,187,115.36, 3,280,692.44 and 670,805.36 is: 1,006,213.99
Step by Step Solution
- Step 1: Write the proportion equation
2,187,115.36 : 3,280,692.44 = 670,805.36 : x - Step 2: Convert to fraction form
2,187,115.36/3,280,692.44 = 670,805.36/x - Step 3: Cross multiply
2,187,115.36x = 3,280,692.44 × 670,805.36 - Step 4: Simplify right side
2,187,115.36x = 2,200,706,073,263.48 - Step 5: Solve for x
x = 2,200,706,073,263.48/2,187,115.36 - Step 6: Final answer
x = 1,006,213.99
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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.