Finding the Fourth Proportional to 6,212,708.34, 8,573,455.78 and 3,421,778.01
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Solution
The fourth proportional to 6,212,708.34, 8,573,455.78 and 3,421,778.01 is: 4,722,008.64
Step by Step Solution
- Step 1: Write the proportion equation
6,212,708.34 : 8,573,455.78 = 3,421,778.01 : x - Step 2: Convert to fraction form
6,212,708.34/8,573,455.78 = 3,421,778.01/x - Step 3: Cross multiply
6,212,708.34x = 8,573,455.78 × 3,421,778.01 - Step 4: Simplify right side
6,212,708.34x = 29,336,462,436,254.00 - Step 5: Solve for x
x = 29,336,462,436,254.00/6,212,708.34 - Step 6: Final answer
x = 4,722,008.64
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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.