Finding the Fourth Proportional to 3,793,056.18, 5,234,896.90 and 2,487,406.68
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Solution
The fourth proportional to 3,793,056.18, 5,234,896.90 and 2,487,406.68 is: 3,432,935.58
Step by Step Solution
- Step 1: Write the proportion equation
3,793,056.18 : 5,234,896.90 = 2,487,406.68 : x - Step 2: Convert to fraction form
3,793,056.18/5,234,896.90 = 2,487,406.68/x - Step 3: Cross multiply
3,793,056.18x = 5,234,896.90 × 2,487,406.68 - Step 4: Simplify right side
3,793,056.18x = 13,021,317,518,171.29 - Step 5: Solve for x
x = 13,021,317,518,171.29/3,793,056.18 - Step 6: Final answer
x = 3,432,935.58
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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.