Finding the Fourth Proportional to 5,209,125.12, 7,825,664.64 and 3,675,650.88
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Solution
The fourth proportional to 5,209,125.12, 7,825,664.64 and 3,675,650.88 is: 5,521,927.47
Step by Step Solution
- Step 1: Write the proportion equation
5,209,125.12 : 7,825,664.64 = 3,675,650.88 : x - Step 2: Convert to fraction form
5,209,125.12/7,825,664.64 = 3,675,650.88/x - Step 3: Cross multiply
5,209,125.12x = 7,825,664.64 × 3,675,650.88 - Step 4: Simplify right side
5,209,125.12x = 28,764,411,120,600.88 - Step 5: Solve for x
x = 28,764,411,120,600.88/5,209,125.12 - Step 6: Final answer
x = 5,521,927.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.