Finding the Fourth Proportional to 2,379,269.87, 3,283,396.58 and 1,291,542.18
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Solution
The fourth proportional to 2,379,269.87, 3,283,396.58 and 1,291,542.18 is: 1,782,330.47
Step by Step Solution
- Step 1: Write the proportion equation
2,379,269.87 : 3,283,396.58 = 1,291,542.18 : x - Step 2: Convert to fraction form
2,379,269.87/3,283,396.58 = 1,291,542.18/x - Step 3: Cross multiply
2,379,269.87x = 3,283,396.58 × 1,291,542.18 - Step 4: Simplify right side
2,379,269.87x = 4,240,645,179,966.60 - Step 5: Solve for x
x = 4,240,645,179,966.60/2,379,269.87 - Step 6: Final answer
x = 1,782,330.47
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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.