Finding the Fourth Proportional to 4,670,722.20, 6,444,497.25 and 2,835,135.30
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Solution
The fourth proportional to 4,670,722.20, 6,444,497.25 and 2,835,135.30 is: 3,911,819.39
Step by Step Solution
- Step 1: Write the proportion equation
4,670,722.20 : 6,444,497.25 = 2,835,135.30 : x - Step 2: Convert to fraction form
4,670,722.20/6,444,497.25 = 2,835,135.30/x - Step 3: Cross multiply
4,670,722.20x = 6,444,497.25 × 2,835,135.30 - Step 4: Simplify right side
4,670,722.20x = 18,271,021,644,227.92 - Step 5: Solve for x
x = 18,271,021,644,227.92/4,670,722.20 - Step 6: Final answer
x = 3,911,819.39
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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.