Finding the Fourth Proportional to 2,448,325.14, 3,378,420.36 and 1,415,676.66
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Solution
The fourth proportional to 2,448,325.14, 3,378,420.36 and 1,415,676.66 is: 1,953,478.63
Step by Step Solution
- Step 1: Write the proportion equation
2,448,325.14 : 3,378,420.36 = 1,415,676.66 : x - Step 2: Convert to fraction form
2,448,325.14/3,378,420.36 = 1,415,676.66/x - Step 3: Cross multiply
2,448,325.14x = 3,378,420.36 × 1,415,676.66 - Step 4: Simplify right side
2,448,325.14x = 4,782,750,851,320.80 - Step 5: Solve for x
x = 4,782,750,851,320.80/2,448,325.14 - Step 6: Final answer
x = 1,953,478.63
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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.