Finding the Fourth Proportional to 5,642,951.91, 7,787,319.39 and 3,064,651.14
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Solution
The fourth proportional to 5,642,951.91, 7,787,319.39 and 3,064,651.14 is: 4,229,243.42
Step by Step Solution
- Step 1: Write the proportion equation
5,642,951.91 : 7,787,319.39 = 3,064,651.14 : x - Step 2: Convert to fraction form
5,642,951.91/7,787,319.39 = 3,064,651.14/x - Step 3: Cross multiply
5,642,951.91x = 7,787,319.39 × 3,064,651.14 - Step 4: Simplify right side
5,642,951.91x = 23,865,417,246,107.61 - Step 5: Solve for x
x = 23,865,417,246,107.61/5,642,951.91 - Step 6: Final answer
x = 4,229,243.42
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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.