Finding the Fourth Proportional to 3,844,238.90, 5,306,156.62 and 2,538,444.26
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Solution
The fourth proportional to 3,844,238.90, 5,306,156.62 and 2,538,444.26 is: 3,503,784.02
Step by Step Solution
- Step 1: Write the proportion equation
3,844,238.90 : 5,306,156.62 = 2,538,444.26 : x - Step 2: Convert to fraction form
3,844,238.90/5,306,156.62 = 2,538,444.26/x - Step 3: Cross multiply
3,844,238.90x = 5,306,156.62 × 2,538,444.26 - Step 4: Simplify right side
3,844,238.90x = 13,469,382,814,700 - Step 5: Solve for x
x = 13,469,382,814,700/3,844,238.90 - Step 6: Final answer
x = 3,503,784.02
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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.