Finding the Fourth Proportional to 5,438,955.24, 7,505,773.23 and 2,991,817.08
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Solution
The fourth proportional to 5,438,955.24, 7,505,773.23 and 2,991,817.08 is: 4,128,715.82
Step by Step Solution
- Step 1: Write the proportion equation
5,438,955.24 : 7,505,773.23 = 2,991,817.08 : x - Step 2: Convert to fraction form
5,438,955.24/7,505,773.23 = 2,991,817.08/x - Step 3: Cross multiply
5,438,955.24x = 7,505,773.23 × 2,991,817.08 - Step 4: Simplify right side
5,438,955.24x = 22,455,900,548,120.77 - Step 5: Solve for x
x = 22,455,900,548,120.77/5,438,955.24 - Step 6: Final answer
x = 4,128,715.82
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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.