Finding the Fourth Proportional to 4,467,309.12, 6,164,881.92 and 2,430,113.76
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Solution
The fourth proportional to 4,467,309.12, 6,164,881.92 and 2,430,113.76 is: 3,353,554.45
Step by Step Solution
- Step 1: Write the proportion equation
4,467,309.12 : 6,164,881.92 = 2,430,113.76 : x - Step 2: Convert to fraction form
4,467,309.12/6,164,881.92 = 2,430,113.76/x - Step 3: Cross multiply
4,467,309.12x = 6,164,881.92 × 2,430,113.76 - Step 4: Simplify right side
4,467,309.12x = 14,981,364,382,567.22 - Step 5: Solve for x
x = 14,981,364,382,567.22/4,467,309.12 - Step 6: Final answer
x = 3,353,554.45
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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.