Finding the Fourth Proportional to 3,188,693.99, 4,784,893.36 and 1,342,070.17
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Solution
The fourth proportional to 3,188,693.99, 4,784,893.36 and 1,342,070.17 is: 2,013,884.88
Step by Step Solution
- Step 1: Write the proportion equation
3,188,693.99 : 4,784,893.36 = 1,342,070.17 : x - Step 2: Convert to fraction form
3,188,693.99/4,784,893.36 = 1,342,070.17/x - Step 3: Cross multiply
3,188,693.99x = 4,784,893.36 × 1,342,070.17 - Step 4: Simplify right side
3,188,693.99x = 6,421,662,629,769.66 - Step 5: Solve for x
x = 6,421,662,629,769.66/3,188,693.99 - Step 6: Final answer
x = 2,013,884.88
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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.