Finding the Fourth Proportional to 2,045,014.45, 2,822,246.21 and 1,127,241.53
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Solution
The fourth proportional to 2,045,014.45, 2,822,246.21 and 1,127,241.53 is: 1,555,662.90
Step by Step Solution
- Step 1: Write the proportion equation
2,045,014.45 : 2,822,246.21 = 1,127,241.53 : x - Step 2: Convert to fraction form
2,045,014.45/2,822,246.21 = 1,127,241.53/x - Step 3: Cross multiply
2,045,014.45x = 2,822,246.21 × 1,127,241.53 - Step 4: Simplify right side
2,045,014.45x = 3,181,353,118,867.77 - Step 5: Solve for x
x = 3,181,353,118,867.77/2,045,014.45 - Step 6: Final answer
x = 1,555,662.90
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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.