Finding the Fourth Proportional to 3,394,797.18, 4,684,726.68 and 1,866,904.30
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Solution
The fourth proportional to 3,394,797.18, 4,684,726.68 and 1,866,904.30 is: 2,576,276.56
Step by Step Solution
- Step 1: Write the proportion equation
3,394,797.18 : 4,684,726.68 = 1,866,904.30 : x - Step 2: Convert to fraction form
3,394,797.18/4,684,726.68 = 1,866,904.30/x - Step 3: Cross multiply
3,394,797.18x = 4,684,726.68 × 1,866,904.30 - Step 4: Simplify right side
3,394,797.18x = 8,745,936,392,573.08 - Step 5: Solve for x
x = 8,745,936,392,573.08/3,394,797.18 - Step 6: Final answer
x = 2,576,276.56
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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.