Finding the Fourth Proportional to 7,539,197.87, 11,306,928.40 and 2,147,895.00
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Solution
The fourth proportional to 7,539,197.87, 11,306,928.40 and 2,147,895.00 is: 3,221,310.19
Step by Step Solution
- Step 1: Write the proportion equation
7,539,197.87 : 11,306,928.40 = 2,147,895.00 : x - Step 2: Convert to fraction form
7,539,197.87/11,306,928.40 = 2,147,895.00/x - Step 3: Cross multiply
7,539,197.87x = 11,306,928.40 × 2,147,895.00 - Step 4: Simplify right side
7,539,197.87x = 24,286,094,935,526.45 - Step 5: Solve for x
x = 24,286,094,935,526.45/7,539,197.87 - Step 6: Final answer
x = 3,221,310.19
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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.