Finding the Fourth Proportional to 4,555,309.47, 6,286,080.38 and 2,517,987.75
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Solution
The fourth proportional to 4,555,309.47, 6,286,080.38 and 2,517,987.75 is: 3,474,686.73
Step by Step Solution
- Step 1: Write the proportion equation
4,555,309.47 : 6,286,080.38 = 2,517,987.75 : x - Step 2: Convert to fraction form
4,555,309.47/6,286,080.38 = 2,517,987.75/x - Step 3: Cross multiply
4,555,309.47x = 6,286,080.38 × 2,517,987.75 - Step 4: Simplify right side
4,555,309.47x = 15,828,273,379,765.41 - Step 5: Solve for x
x = 15,828,273,379,765.41/4,555,309.47 - Step 6: Final answer
x = 3,474,686.73
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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.