Finding the Fourth Proportional to 5,709,974.08, 7,879,037.88 and 3,262,743.40
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Solution
The fourth proportional to 5,709,974.08, 7,879,037.88 and 3,262,743.40 is: 4,502,170.85
Step by Step Solution
- Step 1: Write the proportion equation
5,709,974.08 : 7,879,037.88 = 3,262,743.40 : x - Step 2: Convert to fraction form
5,709,974.08/7,879,037.88 = 3,262,743.40/x - Step 3: Cross multiply
5,709,974.08x = 7,879,037.88 × 3,262,743.40 - Step 4: Simplify right side
5,709,974.08x = 25,707,278,841,319.99 - Step 5: Solve for x
x = 25,707,278,841,319.99/5,709,974.08 - Step 6: Final answer
x = 4,502,170.85
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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.