Finding the Fourth Proportional to 2,544,157.44, 3,511,021.44 and 1,398,278.40
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Solution
The fourth proportional to 2,544,157.44, 3,511,021.44 and 1,398,278.40 is: 1,929,670.45
Step by Step Solution
- Step 1: Write the proportion equation
2,544,157.44 : 3,511,021.44 = 1,398,278.40 : x - Step 2: Convert to fraction form
2,544,157.44/3,511,021.44 = 1,398,278.40/x - Step 3: Cross multiply
2,544,157.44x = 3,511,021.44 × 1,398,278.40 - Step 4: Simplify right side
2,544,157.44x = 4,909,385,441,488.90 - Step 5: Solve for x
x = 4,909,385,441,488.90/2,544,157.44 - Step 6: Final answer
x = 1,929,670.45
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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.