Finding the Fourth Proportional to 2,431,756.76, 3,354,083.87 and 1,706,766.26
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Solution
The fourth proportional to 2,431,756.76, 3,354,083.87 and 1,706,766.26 is: 2,354,115.87
Step by Step Solution
- Step 1: Write the proportion equation
2,431,756.76 : 3,354,083.87 = 1,706,766.26 : x - Step 2: Convert to fraction form
2,431,756.76/3,354,083.87 = 1,706,766.26/x - Step 3: Cross multiply
2,431,756.76x = 3,354,083.87 × 1,706,766.26 - Step 4: Simplify right side
2,431,756.76x = 5,724,637,157,221.98 - Step 5: Solve for x
x = 5,724,637,157,221.98/2,431,756.76 - Step 6: Final answer
x = 2,354,115.87
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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.