Finding the Fourth Proportional to 3,290,968.26, 4,539,708.27 and 1,914,156.99
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Solution
The fourth proportional to 3,290,968.26, 4,539,708.27 and 1,914,156.99 is: 2,640,473.45
Step by Step Solution
- Step 1: Write the proportion equation
3,290,968.26 : 4,539,708.27 = 1,914,156.99 : x - Step 2: Convert to fraction form
3,290,968.26/4,539,708.27 = 1,914,156.99/x - Step 3: Cross multiply
3,290,968.26x = 4,539,708.27 × 1,914,156.99 - Step 4: Simplify right side
3,290,968.26x = 8,689,714,317,581.31 - Step 5: Solve for x
x = 8,689,714,317,581.31/3,290,968.26 - Step 6: Final answer
x = 2,640,473.45
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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.