Finding the Fourth Proportional to 2,921,827.05, 4,382,740.58 and 791,911.17
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Solution
The fourth proportional to 2,921,827.05, 4,382,740.58 and 791,911.17 is: 1,187,866.76
Step by Step Solution
- Step 1: Write the proportion equation
2,921,827.05 : 4,382,740.58 = 791,911.17 : x - Step 2: Convert to fraction form
2,921,827.05/4,382,740.58 = 791,911.17/x - Step 3: Cross multiply
2,921,827.05x = 4,382,740.58 × 791,911.17 - Step 4: Simplify right side
2,921,827.05x = 3,470,741,216,554.72 - Step 5: Solve for x
x = 3,470,741,216,554.72/2,921,827.05 - Step 6: Final answer
x = 1,187,866.76
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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.