Finding the Fourth Proportional to 5,551,867.71, 8,324,233.79 and 2,315,638.06
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Solution
The fourth proportional to 5,551,867.71, 8,324,233.79 and 2,315,638.06 is: 3,471,968.99
Step by Step Solution
- Step 1: Write the proportion equation
5,551,867.71 : 8,324,233.79 = 2,315,638.06 : x - Step 2: Convert to fraction form
5,551,867.71/8,324,233.79 = 2,315,638.06/x - Step 3: Cross multiply
5,551,867.71x = 8,324,233.79 × 2,315,638.06 - Step 4: Simplify right side
5,551,867.71x = 19,275,912,552,073.27 - Step 5: Solve for x
x = 19,275,912,552,073.27/5,551,867.71 - Step 6: Final answer
x = 3,471,968.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.