Finding the Fourth Proportional to 4,026,878.95, 5,557,093.76 and 2,216,042.95
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Solution
The fourth proportional to 4,026,878.95, 5,557,093.76 and 2,216,042.95 is: 3,058,139.72
Step by Step Solution
- Step 1: Write the proportion equation
4,026,878.95 : 5,557,093.76 = 2,216,042.95 : x - Step 2: Convert to fraction form
4,026,878.95/5,557,093.76 = 2,216,042.95/x - Step 3: Cross multiply
4,026,878.95x = 5,557,093.76 × 2,216,042.95 - Step 4: Simplify right side
4,026,878.95x = 12,314,758,449,336.99 - Step 5: Solve for x
x = 12,314,758,449,336.99/4,026,878.95 - Step 6: Final answer
x = 3,058,139.72
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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.