Finding the Fourth Proportional to 5,140,466.48, 7,093,758.84 and 2,817,341.12
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Solution
The fourth proportional to 5,140,466.48, 7,093,758.84 and 2,817,341.12 is: 3,887,884.21
Step by Step Solution
- Step 1: Write the proportion equation
5,140,466.48 : 7,093,758.84 = 2,817,341.12 : x - Step 2: Convert to fraction form
5,140,466.48/7,093,758.84 = 2,817,341.12/x - Step 3: Cross multiply
5,140,466.48x = 7,093,758.84 × 2,817,341.12 - Step 4: Simplify right side
5,140,466.48x = 19,985,538,475,295.50 - Step 5: Solve for x
x = 19,985,538,475,295.50/5,140,466.48 - Step 6: Final answer
x = 3,887,884.21
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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.