Finding the Fourth Proportional to 4,539,890.40, 6,265,118.20 and 2,474,907.16
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Solution
The fourth proportional to 4,539,890.40, 6,265,118.20 and 2,474,907.16 is: 3,415,409.74
Step by Step Solution
- Step 1: Write the proportion equation
4,539,890.40 : 6,265,118.20 = 2,474,907.16 : x - Step 2: Convert to fraction form
4,539,890.40/6,265,118.20 = 2,474,907.16/x - Step 3: Cross multiply
4,539,890.40x = 6,265,118.20 × 2,474,907.16 - Step 4: Simplify right side
4,539,890.40x = 15,505,585,891,426.31 - Step 5: Solve for x
x = 15,505,585,891,426.31/4,539,890.40 - Step 6: Final answer
x = 3,415,409.74
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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.