Finding the Fourth Proportional to 3,321,723.18, 4,583,977.92 and 1,793,830.14
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Solution
The fourth proportional to 3,321,723.18, 4,583,977.92 and 1,793,830.14 is: 2,475,485.56
Step by Step Solution
- Step 1: Write the proportion equation
3,321,723.18 : 4,583,977.92 = 1,793,830.14 : x - Step 2: Convert to fraction form
3,321,723.18/4,583,977.92 = 1,793,830.14/x - Step 3: Cross multiply
3,321,723.18x = 4,583,977.92 × 1,793,830.14 - Step 4: Simplify right side
3,321,723.18x = 8,222,877,753,990.51 - Step 5: Solve for x
x = 8,222,877,753,990.51/3,321,723.18 - Step 6: Final answer
x = 2,475,485.56
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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.