Finding the Fourth Proportional to 4,591,593.17, 6,888,386.21 and 1,396,636.31
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Solution
The fourth proportional to 4,591,593.17, 6,888,386.21 and 1,396,636.31 is: 2,095,257.56
Step by Step Solution
- Step 1: Write the proportion equation
4,591,593.17 : 6,888,386.21 = 1,396,636.31 : x - Step 2: Convert to fraction form
4,591,593.17/6,888,386.21 = 1,396,636.31/x - Step 3: Cross multiply
4,591,593.17x = 6,888,386.21 × 1,396,636.31 - Step 4: Simplify right side
4,591,593.17x = 9,620,570,309,418.46 - Step 5: Solve for x
x = 9,620,570,309,418.46/4,591,593.17 - Step 6: Final answer
x = 2,095,257.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.