Finding the Fourth Proportional to 7,539,193.56, 11,306,921.99 and 2,147,890.69
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Solution
The fourth proportional to 7,539,193.56, 11,306,921.99 and 2,147,890.69 is: 3,221,303.74
Step by Step Solution
- Step 1: Write the proportion equation
7,539,193.56 : 11,306,921.99 = 2,147,890.69 : x - Step 2: Convert to fraction form
7,539,193.56/11,306,921.99 = 2,147,890.69/x - Step 3: Cross multiply
7,539,193.56x = 11,306,921.99 × 2,147,890.69 - Step 4: Simplify right side
7,539,193.56x = 24,286,032,407,603.21 - Step 5: Solve for x
x = 24,286,032,407,603.21/7,539,193.56 - Step 6: Final answer
x = 3,221,303.74
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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.