Finding the Fourth Proportional to 4,147,438.68, 6,221,655.36 and 3,920,690.52
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Solution
The fourth proportional to 4,147,438.68, 6,221,655.36 and 3,920,690.52 is: 5,881,505.93
Step by Step Solution
- Step 1: Write the proportion equation
4,147,438.68 : 6,221,655.36 = 3,920,690.52 : x - Step 2: Convert to fraction form
4,147,438.68/6,221,655.36 = 3,920,690.52/x - Step 3: Cross multiply
4,147,438.68x = 6,221,655.36 × 3,920,690.52 - Step 4: Simplify right side
4,147,438.68x = 24,393,185,188,659.19 - Step 5: Solve for x
x = 24,393,185,188,659.19/4,147,438.68 - Step 6: Final answer
x = 5,881,505.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.