Finding the Fourth Proportional to 3,766,341.60, 5,197,529.70 and 2,135,056.68
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Solution
The fourth proportional to 3,766,341.60, 5,197,529.70 and 2,135,056.68 is: 2,946,365.91
Step by Step Solution
- Step 1: Write the proportion equation
3,766,341.60 : 5,197,529.70 = 2,135,056.68 : x - Step 2: Convert to fraction form
3,766,341.60/5,197,529.70 = 2,135,056.68/x - Step 3: Cross multiply
3,766,341.60x = 5,197,529.70 × 2,135,056.68 - Step 4: Simplify right side
3,766,341.60x = 11,097,020,505,483.40 - Step 5: Solve for x
x = 11,097,020,505,483.40/3,766,341.60 - Step 6: Final answer
x = 2,946,365.91
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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.