Finding the Fourth Proportional to 3,100,932.23, 4,278,943.91 and 1,860,476.76
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Solution
The fourth proportional to 3,100,932.23, 4,278,943.91 and 1,860,476.76 is: 2,567,252.40
Step by Step Solution
- Step 1: Write the proportion equation
3,100,932.23 : 4,278,943.91 = 1,860,476.76 : x - Step 2: Convert to fraction form
3,100,932.23/4,278,943.91 = 1,860,476.76/x - Step 3: Cross multiply
3,100,932.23x = 4,278,943.91 × 1,860,476.76 - Step 4: Simplify right side
3,100,932.23x = 7,960,875,692,596.15 - Step 5: Solve for x
x = 7,960,875,692,596.15/3,100,932.23 - Step 6: Final answer
x = 2,567,252.40
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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.