Finding the Fourth Proportional to 2,939,859.12, 4,056,900.69 and 1,650,753.84
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Solution
The fourth proportional to 2,939,859.12, 4,056,900.69 and 1,650,753.84 is: 2,277,981.40
Step by Step Solution
- Step 1: Write the proportion equation
2,939,859.12 : 4,056,900.69 = 1,650,753.84 : x - Step 2: Convert to fraction form
2,939,859.12/4,056,900.69 = 1,650,753.84/x - Step 3: Cross multiply
2,939,859.12x = 4,056,900.69 × 1,650,753.84 - Step 4: Simplify right side
2,939,859.12x = 6,696,944,392,516.15 - Step 5: Solve for x
x = 6,696,944,392,516.15/2,939,859.12 - Step 6: Final answer
x = 2,277,981.40
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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.