Finding the Fourth Proportional to 4,691,284.12, 6,474,668.34 and 2,972,565.64
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Solution
The fourth proportional to 4,691,284.12, 6,474,668.34 and 2,972,565.64 is: 4,102,581.75
Step by Step Solution
- Step 1: Write the proportion equation
4,691,284.12 : 6,474,668.34 = 2,972,565.64 : x - Step 2: Convert to fraction form
4,691,284.12/6,474,668.34 = 2,972,565.64/x - Step 3: Cross multiply
4,691,284.12x = 6,474,668.34 × 2,972,565.64 - Step 4: Simplify right side
4,691,284.12x = 19,246,376,637,879.84 - Step 5: Solve for x
x = 19,246,376,637,879.84/4,691,284.12 - Step 6: Final answer
x = 4,102,581.75
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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.