Finding the Fourth Proportional to 2,815,817.64, 4,187,503.88 and 2,726,136.06
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Solution
The fourth proportional to 2,815,817.64, 4,187,503.88 and 2,726,136.06 is: 4,054,135.17
Step by Step Solution
- Step 1: Write the proportion equation
2,815,817.64 : 4,187,503.88 = 2,726,136.06 : x - Step 2: Convert to fraction form
2,815,817.64/4,187,503.88 = 2,726,136.06/x - Step 3: Cross multiply
2,815,817.64x = 4,187,503.88 × 2,726,136.06 - Step 4: Simplify right side
2,815,817.64x = 11,415,705,315,027.23 - Step 5: Solve for x
x = 11,415,705,315,027.23/2,815,817.64 - Step 6: Final answer
x = 4,054,135.17
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.