Finding the Fourth Proportional to 2,430,111.91, 3,351,042.57 and 2,087,083.66
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Solution
The fourth proportional to 2,430,111.91, 3,351,042.57 and 2,087,083.66 is: 2,878,018.15
Step by Step Solution
- Step 1: Write the proportion equation
2,430,111.91 : 3,351,042.57 = 2,087,083.66 : x - Step 2: Convert to fraction form
2,430,111.91/3,351,042.57 = 2,087,083.66/x - Step 3: Cross multiply
2,430,111.91x = 3,351,042.57 × 2,087,083.66 - Step 4: Simplify right side
2,430,111.91x = 6,993,906,183,433.80 - Step 5: Solve for x
x = 6,993,906,183,433.80/2,430,111.91 - Step 6: Final answer
x = 2,878,018.15
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1.5x scale
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.