Finding the Fourth Proportional to 3,165,844.40, 4,368,868.96 and 1,715,527.14
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Solution
The fourth proportional to 3,165,844.40, 4,368,868.96 and 1,715,527.14 is: 2,367,429.45
Step by Step Solution
- Step 1: Write the proportion equation
3,165,844.40 : 4,368,868.96 = 1,715,527.14 : x - Step 2: Convert to fraction form
3,165,844.40/4,368,868.96 = 1,715,527.14/x - Step 3: Cross multiply
3,165,844.40x = 4,368,868.96 × 1,715,527.14 - Step 4: Simplify right side
3,165,844.40x = 7,494,913,271,983.57 - Step 5: Solve for x
x = 7,494,913,271,983.57/3,165,844.40 - Step 6: Final answer
x = 2,367,429.45
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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.