Finding the Fourth Proportional to 5,438,954.24, 7,505,771.85 and 2,991,816.08
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Solution
The fourth proportional to 5,438,954.24, 7,505,771.85 and 2,991,816.08 is: 4,128,714.44
Step by Step Solution
- Step 1: Write the proportion equation
5,438,954.24 : 7,505,771.85 = 2,991,816.08 : x - Step 2: Convert to fraction form
5,438,954.24/7,505,771.85 = 2,991,816.08/x - Step 3: Cross multiply
5,438,954.24x = 7,505,771.85 × 2,991,816.08 - Step 4: Simplify right side
5,438,954.24x = 22,455,888,913,641.35 - Step 5: Solve for x
x = 22,455,888,913,641.35/5,438,954.24 - Step 6: Final answer
x = 4,128,714.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.