Finding the Fourth Proportional to 5,438,950.02, 7,505,765.99 and 2,991,811.83
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Solution
The fourth proportional to 5,438,950.02, 7,505,765.99 and 2,991,811.83 is: 4,128,708.55
Step by Step Solution
- Step 1: Write the proportion equation
5,438,950.02 : 7,505,765.99 = 2,991,811.83 : x - Step 2: Convert to fraction form
5,438,950.02/7,505,765.99 = 2,991,811.83/x - Step 3: Cross multiply
5,438,950.02x = 7,505,765.99 × 2,991,811.83 - Step 4: Simplify right side
5,438,950.02x = 22,455,839,467,134.61 - Step 5: Solve for x
x = 22,455,839,467,134.61/5,438,950.02 - Step 6: Final answer
x = 4,128,708.55
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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.