Finding the Fourth Proportional to 4,888,903.21, 6,746,556.75 and 2,713,390.22
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Solution
The fourth proportional to 4,888,903.21, 6,746,556.75 and 2,713,390.22 is: 3,744,406.53
Step by Step Solution
- Step 1: Write the proportion equation
4,888,903.21 : 6,746,556.75 = 2,713,390.22 : x - Step 2: Convert to fraction form
4,888,903.21/6,746,556.75 = 2,713,390.22/x - Step 3: Cross multiply
4,888,903.21x = 6,746,556.75 × 2,713,390.22 - Step 4: Simplify right side
4,888,903.21x = 18,306,041,104,124.99 - Step 5: Solve for x
x = 18,306,041,104,124.99/4,888,903.21 - Step 6: Final answer
x = 3,744,406.53
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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.