Finding the Fourth Proportional to 7,460,431.45, 11,190,646.51 and 2,069,081.79
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Solution
The fourth proportional to 7,460,431.45, 11,190,646.51 and 2,069,081.79 is: 3,103,622.50
Step by Step Solution
- Step 1: Write the proportion equation
7,460,431.45 : 11,190,646.51 = 2,069,081.79 : x - Step 2: Convert to fraction form
7,460,431.45/11,190,646.51 = 2,069,081.79/x - Step 3: Cross multiply
7,460,431.45x = 11,190,646.51 × 2,069,081.79 - Step 4: Simplify right side
7,460,431.45x = 23,154,362,912,168.05 - Step 5: Solve for x
x = 23,154,362,912,168.05/7,460,431.45 - Step 6: Final answer
x = 3,103,622.50
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1.5x scale
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.