Finding the Fourth Proportional to 2,425,669.74, 3,348,525.42 and 1,728,400.68
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Solution
The fourth proportional to 2,425,669.74, 3,348,525.42 and 1,728,400.68 is: 2,385,977.58
Step by Step Solution
- Step 1: Write the proportion equation
2,425,669.74 : 3,348,525.42 = 1,728,400.68 : x - Step 2: Convert to fraction form
2,425,669.74/3,348,525.42 = 1,728,400.68/x - Step 3: Cross multiply
2,425,669.74x = 3,348,525.42 × 1,728,400.68 - Step 4: Simplify right side
2,425,669.74x = 5,787,593,612,925.29 - Step 5: Solve for x
x = 5,787,593,612,925.29/2,425,669.74 - Step 6: Final answer
x = 2,385,977.58
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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.