Finding the Fourth Proportional to 5,153,214.88, 7,695,120.20 and 4,208,459.68
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Solution
The fourth proportional to 5,153,214.88, 7,695,120.20 and 4,208,459.68 is: 6,284,349.45
Step by Step Solution
- Step 1: Write the proportion equation
5,153,214.88 : 7,695,120.20 = 4,208,459.68 : x - Step 2: Convert to fraction form
5,153,214.88/7,695,120.20 = 4,208,459.68/x - Step 3: Cross multiply
5,153,214.88x = 7,695,120.20 × 4,208,459.68 - Step 4: Simplify right side
5,153,214.88x = 32,384,603,094,453.54 - Step 5: Solve for x
x = 32,384,603,094,453.54/5,153,214.88 - Step 6: Final answer
x = 6,284,349.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.