Finding the Fourth Proportional to 5,372,062.45, 8,058,968.47 and 1,585,928.05
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Solution
The fourth proportional to 5,372,062.45, 8,058,968.47 and 1,585,928.05 is: 2,379,150.32
Step by Step Solution
- Step 1: Write the proportion equation
5,372,062.45 : 8,058,968.47 = 1,585,928.05 : x - Step 2: Convert to fraction form
5,372,062.45/8,058,968.47 = 1,585,928.05/x - Step 3: Cross multiply
5,372,062.45x = 8,058,968.47 × 1,585,928.05 - Step 4: Simplify right side
5,372,062.45x = 12,780,944,110,343.74 - Step 5: Solve for x
x = 12,780,944,110,343.74/5,372,062.45 - Step 6: Final answer
x = 2,379,150.32
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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.