Finding the Fourth Proportional to 5,475,950.46, 7,556,861.79 and 3,028,435.02
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Solution
The fourth proportional to 5,475,950.46, 7,556,861.79 and 3,028,435.02 is: 4,179,268.07
Step by Step Solution
- Step 1: Write the proportion equation
5,475,950.46 : 7,556,861.79 = 3,028,435.02 : x - Step 2: Convert to fraction form
5,475,950.46/7,556,861.79 = 3,028,435.02/x - Step 3: Cross multiply
5,475,950.46x = 7,556,861.79 × 3,028,435.02 - Step 4: Simplify right side
5,475,950.46x = 22,885,464,886,135.89 - Step 5: Solve for x
x = 22,885,464,886,135.89/5,475,950.46 - Step 6: Final answer
x = 4,179,268.07
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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.