Finding the Fourth Proportional to 4,247,197.54, 6,368,276.40 and 1,687,035.80
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Solution
The fourth proportional to 4,247,197.54, 6,368,276.40 and 1,687,035.80 is: 2,529,552.77
Step by Step Solution
- Step 1: Write the proportion equation
4,247,197.54 : 6,368,276.40 = 1,687,035.80 : x - Step 2: Convert to fraction form
4,247,197.54/6,368,276.40 = 1,687,035.80/x - Step 3: Cross multiply
4,247,197.54x = 6,368,276.40 × 1,687,035.80 - Step 4: Simplify right side
4,247,197.54x = 10,743,510,280,689.43 - Step 5: Solve for x
x = 10,743,510,280,689.43/4,247,197.54 - Step 6: Final answer
x = 2,529,552.77
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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.