Finding the Fourth Proportional to 3,830,026.97, 5,285,278.10 and 2,087,657.94
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Solution
The fourth proportional to 3,830,026.97, 5,285,278.10 and 2,087,657.94 is: 2,880,881.23
Step by Step Solution
- Step 1: Write the proportion equation
3,830,026.97 : 5,285,278.10 = 2,087,657.94 : x - Step 2: Convert to fraction form
3,830,026.97/5,285,278.10 = 2,087,657.94/x - Step 3: Cross multiply
3,830,026.97x = 5,285,278.10 × 2,087,657.94 - Step 4: Simplify right side
3,830,026.97x = 11,033,852,780,134.82 - Step 5: Solve for x
x = 11,033,852,780,134.82/3,830,026.97 - Step 6: Final answer
x = 2,880,881.23
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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.