Finding the Fourth Proportional to 5,286,279.38, 7,929,426 and 1,448,135.91
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Solution
The fourth proportional to 5,286,279.38, 7,929,426 and 1,448,135.91 is: 2,172,205.77
Step by Step Solution
- Step 1: Write the proportion equation
5,286,279.38 : 7,929,426 = 1,448,135.91 : x - Step 2: Convert to fraction form
5,286,279.38/7,929,426 = 1,448,135.91/x - Step 3: Cross multiply
5,286,279.38x = 7,929,426 × 1,448,135.91 - Step 4: Simplify right side
5,286,279.38x = 11,482,886,536,287.66 - Step 5: Solve for x
x = 11,482,886,536,287.66/5,286,279.38 - Step 6: Final answer
x = 2,172,205.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.