Finding the Fourth Proportional to 2,063,241.67, 2,847,283.81 and 1,289,321.90
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Solution
The fourth proportional to 2,063,241.67, 2,847,283.81 and 1,289,321.90 is: 1,779,270.66
Step by Step Solution
- Step 1: Write the proportion equation
2,063,241.67 : 2,847,283.81 = 1,289,321.90 : x - Step 2: Convert to fraction form
2,063,241.67/2,847,283.81 = 1,289,321.90/x - Step 3: Cross multiply
2,063,241.67x = 2,847,283.81 × 1,289,321.90 - Step 4: Simplify right side
2,063,241.67x = 3,671,065,371,748.44 - Step 5: Solve for x
x = 3,671,065,371,748.44/2,063,241.67 - Step 6: Final answer
x = 1,779,270.66
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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.