Finding the Fourth Proportional to 3,705,275.87, 5,113,817.70 and 2,135,102.21
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Solution
The fourth proportional to 3,705,275.87, 5,113,817.70 and 2,135,102.21 is: 2,946,750.49
Step by Step Solution
- Step 1: Write the proportion equation
3,705,275.87 : 5,113,817.70 = 2,135,102.21 : x - Step 2: Convert to fraction form
3,705,275.87/5,113,817.70 = 2,135,102.21/x - Step 3: Cross multiply
3,705,275.87x = 5,113,817.70 × 2,135,102.21 - Step 4: Simplify right side
3,705,275.87x = 10,918,523,484,800.77 - Step 5: Solve for x
x = 10,918,523,484,800.77/3,705,275.87 - Step 6: Final answer
x = 2,946,750.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.